Definitions

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.

"It's definitely different," Lin told AFP in between cleaning the kitchen and wiping down windows.

From Barron's • Jun. 11, 2026

“I definitely see that humans will be able to go live on the moon and Mars.”

From MarketWatch • Jun. 11, 2026

Pulisic at his finest is definitely not bang-average, and he had a brilliant year for AC Milan in Italy — but it was last year, and in 2026 he virtually disappeared.

From Salon • Jun. 11, 2026

I don't think they will quite manage it against Bosnia, but this is definitely a group they can get out of.

From BBC • Jun. 10, 2026

I don’t fit in anywhere either, and I definitely don’t have a bunch of friends.

From "Clairboyance" by Kristiana Kahakauwila

Vocabulary lists containing definitely

Commonly Misspelled Words, List 2

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Commonly Confused Words, List 2

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SHSAT: Language of the Test

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