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.

Austria and Algeria will definitely know the result needed to be a best third-placed team.

From BBC • Jun. 25, 2026

"We are definitely rewriting history," said Kingsol Chabalala, the DA's mayoral candidate for the Emfuleni municipality that includes Evaton West.

From Barron's • Jun. 25, 2026

“We’ll definitely see an increased focus on the resilience of public transport,” says Cassie Sutherland, managing director for climate solutions and networks at C40 Cities, a global network of city mayors working on climate policy.

From The Wall Street Journal • Jun. 24, 2026

Beatty says James Taylor in “Sweet Baby James” was the first voice he tried to emulate when he was young, and that folky tenderness is definitely still in there.

From Los Angeles Times • Jun. 24, 2026

Tūtū is definitely going to build off that, tell Dad how he could live those good times again.

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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