definitely

[def-uh-nit-lee] / ˈdɛf ə nɪt li /

ADVERB

certainly

Synonyms

STRONGEST

absolutely clearly decidedly doubtless easily finally obviously plainly surely undeniably unequivocally unquestionably

WEAK

beyond any doubt categorically doubtlessly explicitly expressly far and away indubitably no ifs ands or buts about it positively specifically unmistakably without doubt without fail without question

Antonyms

STRONGEST

doubtedly doubtfully dubiously questionable questionably uncertain

WEAK

indefinitely

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And yet, sad trombone noise: I am definitely not the first nor the last person to observe that Hitler’s arch was a whole lot bigger.

From Salon • May 3, 2026

“I definitely worked for my piece, like the amount of marketing that was done,” Johnson says.

From The Wall Street Journal • May 1, 2026

She moved to the area 28 years ago and says she "definitely" feels crime is getting worse.

From BBC • May 1, 2026

“We’re certainly living in a moment where people are really viscerally upset about the cost of housing. This is definitely part of the story.”

From MarketWatch • May 1, 2026

She was definitely not going to look at the clock again.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

Vocabulary lists containing definitely

Commonly Misspelled Words, List 2

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Commonly Confused Words, List 2

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