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.

So if anybody was going to be “weak on crime,” it was definitely going to be Leo.

From Salon • Apr. 18, 2026

If anybody was going to be “weak on crime,” it was definitely going to be Leo.

From Salon • Apr. 18, 2026

McInnes, who leads sunrise hikes for people raising money for charity, said those hikes would "definitely be impacted" and the ban put "the majority of them at risk".

From BBC • Apr. 17, 2026

It’s kinda crazy, and it’s definitely a night out.

From Los Angeles Times • Apr. 16, 2026

If there were this much ruckus at school or the playground or anywhere else at all, Bat would definitely need his earmuffs.

From "A Boy Called Bat" by Elana K. Arnold

Vocabulary lists containing definitely

Commonly Misspelled Words, List 2

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