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.

Barnum, there is definitely such a thing as bad publicity.

From The Wall Street Journal • Apr. 16, 2026

"There's definitely room for more support ad guidance for parents, because you're kind of left to your own devices."

From BBC • Apr. 15, 2026

It was definitely more than a hot flash.

From Los Angeles Times • Apr. 14, 2026

Let’s definitely do that so that the grid doesn’t break,” said Hua.

From The Wall Street Journal • Apr. 14, 2026

I hated to break it to him, but this meeting was most definitely over.

From "Glitch" by Laura Martin

Vocabulary lists containing definitely

Commonly Misspelled Words, List 2

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