If you’ve searched how to spell definately you’re looking for the correct spelling of a word that trips up millions of people. It is one of the most commonly misspelled words in English and the mistake appears in emails school papers text messages and even professional writing.
The correct spelling is definitely. The spelling definately is always incorrect. It may look close to the real word but it is a misspelling that should never be used in formal or informal writing.
The confusion usually happens because people spell the word the way it sounds. English pronunciation can be misleading and this word is a perfect example. Once you understand why the correct spelling works it becomes much easier to remember.
This guide explains the correct spelling its meaning why so many people get it wrong and simple tricks that help you remember it every time. You’ll also see real examples common mistakes and related words that often cause similar confusion.
Quick Definition
- Definitely is an adverb. It means without any doubt certainly or clearly.
- Definately is not an English word. It is simply a common misspelling of definitely.
Direct Answer
The correct spelling is definitely. Spell Definately is always incorrect and should never be used in any type of writing.
Comparison Table
| Word | Meaning | Example Sentence | When to Use It |
|---|---|---|---|
| Definitely | Without any doubt or certainly. | I will definitely be there tomorrow. | Always use this spelling. |
| Definately | Incorrect spelling. | Incorrect. | Never use it. |

Why People Misspell Definitely
English has many words that sound different from the way they are spelled. Definitely is one of them. Many people write it based on pronunciation instead of memorizing the correct letter pattern.
Another reason is that the middle part of the word causes confusion. Some people hear a sound that makes them think the word should contain ate instead of ite. That small mistake changes the spelling completely.
Typing quickly can also lead to errors. Your fingers may move faster than your brain and produce a familiar looking word that is actually wrong. Since spell definately looks close to the correct spelling many people overlook the mistake until someone points it out.
Even experienced writers make this error from time to time. The difference is that they usually catch it during proofreading or notice it when spell check highlights the mistake.
What Does Definitely Mean
The word definitely shows certainty. It tells the reader or listener that something is true or will happen without doubt.
You can use it to express confidence agreement or a firm decision. It appears in both casual conversations and formal writing which makes it one of the most useful adverbs in English. Here are a few everyday examples.
- I will definitely call you tonight.
- She definitely deserves the promotion.
- We are definitely taking the earlier flight.
- That is definitely the right answer.
In each sentence the word adds certainty. It leaves little room for doubt and makes the message stronger.
The Secret To Remembering The Correct Spelling
- Many people try to memorize the whole word at once. A better approach is to break it into smaller parts.
- Look closely at the word definitely. It comes from the adjective definite. When you add ly you get definitely.
- Think of it like this.
- Definite plus ly becomes definitely.
- Notice that definite does not contain ate. Since the base word uses ite the longer word keeps the same spelling.
- This simple connection is one of the easiest ways to avoid the mistake. Instead of guessing you can remember the base word and build from there.
Words From The Same Family
Learning related words helps you recognize spelling patterns more naturally. These words all come from the same word family.
- Definite.
- Definitely.
- Definition.
- Define.
- Defined.
Although they have different meanings they all begin with the same root. Reading and writing these words together makes the correct spelling easier to remember because your brain starts seeing them as a connected group instead of separate words.
Everyday Situations Where People Use Definitely
You probably use this word more often than you realize. It appears in conversations social media emails business communication and school assignments every day.
Making Plans
People often use definitely when confirming plans or giving a clear answer. Examples.
- I will definitely join you for dinner.
- She is definitely coming to the party.
Showing Agreement
The word is also common when you strongly agree with someone. Examples.
- That is definitely a good idea.
- I definitely agree with your suggestion.
Giving Confidence
Sometimes you want to reassure another person or express confidence in an outcome. Examples,
- You will definitely enjoy the movie.
- They definitely made the right decision.
In every example the word strengthens the sentence by showing certainty instead of doubt.
Common Mistakes People Make With Definitely
Many spelling mistakes happen because people write words the way they sound. Definitely is a perfect example. The pronunciation does not clearly match the spelling so it is easy to swap letters or add the wrong ending.
Some people also rely on memory instead of looking closely at the word. Since spell definately appears so often online it can start to look familiar even though it is wrong. That is why reading correctly written content is one of the best ways to improve your spelling.
Here are some of the most common mistakes.
| Incorrect | Correct |
|---|---|
| I will definately be there. | I will definitely be there. |
| She definately knows the answer. | She definitely knows the answer. |
| We definately need more time. | We definitely need more time. |
| They definately finished the project. | They definitely finished the project. |
Reading these examples helps your eyes recognize the correct spelling. After a while the incorrect version starts to look out of place.
Real Life Examples Of Definitely
Seeing a word in everyday situations makes it much easier to remember. The examples below show how naturally definitely fits into daily conversations and writing.
At School
Students often use this word when expressing confidence or certainty.
- I definitely studied for the test.
- She will definitely pass the final exam.
- That is definitely my favorite subject.
At Work
The word appears in emails meetings and workplace conversations.
- We will definitely finish the report today.
- I definitely appreciate your help.
- The manager definitely noticed your hard work.
At Home
Families use this word all the time without thinking about it.
- We are definitely ordering pizza tonight.
- Dad definitely remembered my birthday.
- You should definitely try this recipe.
Online
Social media posts text messages and emails often include this word.
- I definitely recommend that movie.
- You should definitely read that book.
- They definitely replied to my message.
Each example shows the same basic idea. The speaker wants to remove doubt and make the statement stronger.

Common Phrases With Definitely
Some expressions appear so often that native speakers recognize them instantly. Learning these phrases makes your writing sound more natural.
Definitely Yes
People use this phrase to give a clear and enthusiastic answer. Example,
- Definitely yes. I would love to come.
Definitely Not
This phrase shows strong disagreement or refusal. Example,
- That is definitely not what I meant.
Definitely Worth It
People often say this when recommending something. Example,
- The trip was definitely worth it.
Definitely Better
This phrase compares two things and shows a clear preference. Example,
- This version is definitely better than the old one.
Definitely Recommend
You will often hear this in reviews and everyday conversations. Example,
- I definitely recommend visiting that restaurant.
These phrases appear naturally in spoken and written English. Using them helps your writing sound more fluent.
Easy Tricks To Remember The Correct Spelling
You do not need to memorize every letter separately. A few simple tricks can help you remember the correct spelling for life.
Remember The Base Word
- The easiest trick is to think about the word definite. Since definitely comes from definite you only need to add ly.
- If you can spell definite you can spell definitely.
Think About The Ending
- Many people accidentally write ately because they hear that sound when speaking. Instead remember that the correct ending is itely.
- Looking for this pattern during proofreading helps catch mistakes before you finish writing.
Read The Word Often
The more often you see the correct spelling the more familiar it becomes. Reading books articles newspapers and trusted websites naturally improves spelling over time.
Use Complete Sentences
Practice works best when you use the word in context instead of writing it by itself. For example,
- I definitely enjoyed the concert.
- She definitely made the right choice.
- We definitely need more coffee.
Writing complete sentences strengthens your memory because your brain connects the spelling with a real situation.
Why Spell Check Cannot Do Everything
Spell check is helpful but it should not be your only safety net. Good writing starts with understanding the correct spelling yourself.
There are times when software misses mistakes or people ignore suggested corrections. Handwritten notes classroom tests and paper forms also have no automatic spell checker.
Knowing the correct spelling saves time and gives you more confidence. It also makes your writing look polished and professional in every situation.
Related Words People Often Confuse With Definitely
People who struggle with definitely often confuse it with other words that look or sound similar. Learning the differences makes your writing clearer and helps you avoid common mistakes.
Definitely And Definite
These two words come from the same word family but they have different jobs in a sentence. Definite is an adjective. It describes something that is clear certain or fixed.
- We need a definite answer before Friday.
- She has a definite plan for the weekend.
Definitely is an adverb. It describes how something happens or how certain someone feels.
- I will definitely help you.
- They definitely made the right choice.
A simple trick is to remember that definitely comes from definite. Just add ly to the end.
Definitely And Definition
These words share the same root but have different meanings. Definition is a noun. It explains the meaning of a word or idea.
- I looked up the definition of the word.
Definitely expresses certainty.
- I definitely understand the lesson now.
They may look alike but they are used in completely different ways.
Definitely And Certainly
These words are very close in meaning. In many situations you can replace one with the other.
- I will definitely attend the meeting.
- I will certainly attend the meeting.
Both sentences express confidence. The choice usually depends on your writing style or personal preference.
Definitely And Absolutely
These words also show strong agreement or certainty.
- You are definitely right.
- You are absolutely right.
In casual conversation people often use them interchangeably. Still absolutely sometimes sounds a little stronger because it emphasizes complete agreement.
Other Common Misspellings Of Definitely
The incorrect spelling definately is the one people see most often. Still it is far from the only mistake.
Some other common misspellings include.
- Definitly.
- Definatly.
- Definetly.
- Definatley.
- Definitley.
All of these are incorrect. The only correct spelling is definitely. If you are unsure while writing pause for a moment and think about the base word definite. That small habit can save you from making the mistake.
Why English Makes This Word Tricky
English spelling has developed over hundreds of years. Words have entered the language from Latin French German and many other languages. Because of that history pronunciation and spelling do not always match.
The word definitely comes from the Latin word definite which means to limit determine or set boundaries. Over time the spelling changed as the word moved through different languages before becoming part of modern English.
You do not need to remember its history to spell it correctly. Still knowing that the word comes from spell definately explains why the letters appear in that order.
Does Pronunciation Help
Not very much.
Many people pronounce definitely so quickly that the middle part almost disappears. That makes it easy to imagine an incorrect spelling like definately even though the pronunciation stays almost the same.
Instead of relying on sound focus on the written form. Reading the correct spelling regularly trains your eyes to recognize it instantly.
Tips That Help You Spell Definately Correctly Every Time
- Small habits often work better than complicated memory tricks. They take only a few seconds but make a big difference over time.
- Slow down when writing important emails reports or school assignments. A quick review catches many simple spelling mistakes.
- Read high quality books articles and blogs. Seeing correctly spelled words again and again strengthens your memory without extra effort.
- Use the word in real sentences instead of copying it over and over. Your brain remembers words better when they have meaning.
- Pay attention to the base word definite. If you can picture that word first adding ly becomes easy.

Why Correct Spelling Matters
- One spelling mistake does not make someone a poor writer. Everyone types too fast from time to time and even experienced editors make mistakes.
- Still correct spelling helps people focus on your message instead of your errors. It shows attention to detail and makes your writing look more polished.
- Accurate spelling also builds trust. Teachers employers clients and readers are more likely to take your writing seriously when common words are spelled correctly.
- The good news is that this mistake is easy to fix. Once you connect definitely with definite the correct spelling becomes much easier to remember.
FAQs
Is definitely the correct spelling?
Yes. How to spell definately has one simple answer. The correct spelling is definitely. The spelling definately is always incorrect.
Why do people spell definitely as definately?
Most people spell it the way they hear it. The pronunciation can make it sound like the word ends with ately even though the correct spelling comes from the word definite.
Is definately ever correct?
No. Definately is never accepted in standard English. You should always use definitely in school work business writing emails and everyday communication.
What is the easiest way to remember definitely?
Think about the word definite first. Then add ly to the end. This simple connection is much easier to remember than trying to memorize every letter.
Is definitely an adverb?
Yes. Definitely is an adverb because it describes the degree of certainty in a sentence. It means without doubt certainly or clearly.
Can I use definitely in formal writing?
Yes. Definitely is appropriate in both formal and informal writing. It appears in business emails academic papers news articles books and everyday conversations.
What words are similar to definitely?
Words like certainly absolutely surely and undoubtedly have similar meanings. The best choice depends on the tone and context of your sentence.
Why does spell check still matter if I know the correct spelling?
Spell check is a useful safety net but it should not replace good spelling habits. Knowing the correct spelling yourself helps you write faster and catch mistakes that software might miss.
Conclusion
If you searched how to spell definately you now have the answer. The correct spelling is definitely. The version definately is a common misspelling that should never appear in your writing.
The easiest way to remember the correct spelling is to think of the base word definite. Once you connect those two words the correct form becomes much easier to recall. Reading and writing the word regularly will also help it become second nature.
Everyone makes spelling mistakes from time to time. The important part is learning the correct pattern and building the habit of checking your work. A few extra seconds of proofreading can make your writing look much more polished.
The next time you stop to think about how to spell definately you will know exactly what to write. Choose definitely with confidence every time.
Dr. Elena Vance holds a Ph.D. in Linguistics from Columbia University and has spent over 15 years analyzing the evolution of the English language. A former university professor turned full-time writer and editor, Elena specializes in breaking down high-level grammatical concepts, punctuation nuances, and style guides (APA, Chicago, MLA) into clear, actionable advice. When she isn’t hunting down dangling modifiers, she can be found collecting vintage dictionaries and reading classic literature.