If you often wonder whether definitely or definately is the correct spelling, you are not alone. The correct spelling is definitely, with -ite- in the middle. Definately is a common misspelling, so learning a simple memory trick can help you remember the correct form every time.
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The Perfect Mnemonic
A simple way to remember definitely is to focus on the word finite, which means having an end or limit. Think: de + finite + ly = definitely. This reminds you that the middle of the word contains finite, not finate.
How the Spelling Trick Works
The phrase “Definitely has no A; think E, I, I” gives you a quick way to remember the correct spelling.
- It points out the common error: The biggest mistake is adding an A in definately.
- It highlights the correct vowels: Remember that definitely contains E and I, not A.
- It creates a quick mental check: Before writing the word, ask yourself, “Did I accidentally add an A?”
- It is short and memorable: A simple phrase is easier to recall when you are writing quickly.
- It reinforces the correct spelling: Repeating definitely with the right letter pattern helps make the spelling familiar.
Whenever definately comes to mind, remember: No A in definitely!
Why This Spelling Trick Works So Well
This spelling trick works because it directly targets the most common mistake in definitely. Instead of trying to memorize every letter separately, it gives you a simple reminder that makes the correct spelling easier to recall.
Corrects the Error
The trick focuses on the missing A, which is the main reason people write definately instead of definitely. Removing this common mistake makes the correct spelling much easier to remember.
Shows the Pattern
It helps you notice the vowel pattern in definitely. Once you remember that there is no A after the n, the correct arrangement becomes more familiar.
Self-Demonstrating
The mnemonic uses the word definitely itself, so the correct spelling is right in front of you. This makes the trick practical and easy to apply while writing.
Clear and Memorable
The phrase is short, direct, and easy to repeat mentally. A simple reminder such as “No A in definitely” can quickly stop the common spelling error.
Practice Makes Perfect
Seeing and writing definitely correctly again and again helps build spelling confidence. With regular practice, you will be less likely to pause or choose the incorrect form definately.
Word Origin
The word definitely comes from the Latin word definitus, meaning “limited,” “determined,” or “clearly defined.” It entered English through definite, which comes from the Latin definire, meaning “to define” or “set boundaries.” The spelling definitely developed from definite + -ly, which is why remembering the word finite inside it can help you spell it correctly.
FAQs
Is definitely or definately correct?
Definitely is the correct spelling. Definately is a common misspelling.
How do you spell definitely?
The correct spelling is D-E-F-I-N-I-T-E-L-Y: definitely.
Why do people misspell definitely?
Many people write definately because the pronunciation can make the middle vowels confusing.
What is an easy trick to remember definitely?
Remember: “No A in definitely.” You can also think of the word finite inside definitely.
What does definitely mean?
Definitely means certainly, without doubt, or in a way that is sure to be true.

Jack is an English language writer and grammar enthusiast with a passion for making learning simple and practical. He creates clear, easy-to-understand content on grammar, spelling, vocabulary, punctuation, and writing skills, helping readers improve their English with confidence.