Meaning & use
definitely
Last updated
Meanings
adverbnot comparable
Without any doubt; for sure.
Grammar: Goes before the main verb or after be: I will definitely call.
Patterns
- definitely + verb
- be definitely + adjective
I will definitely be there on time.
She is definitely the best candidate.
That was definitely not what we planned.
adverbnot comparableinformal
Used alone as an emphatic answer meaning yes, certainly.
Grammar: Informal short answer.
Patterns
- Definitely!
Do you want to come? Definitely!
Would you do it again? Definitely.
Is it worth the price? Definitely.
Common combinations
- definitely need
- We definitely need more time.
- definitely worth
- The trip was definitely worth it.
- definitely not
- The answer is definitely not yes.
- definitely going
- I am definitely going.
- definitely a
- It is definitely a mistake.
Synonyms and how they differ
- certainly
- Certainly is slightly more formal and common in polite replies.
- absolutely
- Absolutely is stronger and total.
- surely
- Surely often invites agreement and can express doubt.
- undoubtedly
- Undoubtedly is more formal.
Opposites
Word family
- definite adjective
- clear and certain
- indefinitely adverb
- for an unlimited time
- definition noun
- the meaning of a word
Commonly confused: definitely or defiantly?
definitely vs defiantly
Defiantly means in a boldly disobedient way; definitely means certainly.
Practice
Which spelling is correct?
Choose one answer.
The word comes from definite, with an i in the middle: definitely. The others are common misspellings.
Make it your own
Write a sentence using “definitely”, then check it and compare it with the examples above.