Synonyms of certainly

certainly

adverb

ˈsər-tᵊn-lē 

as in definitely

without any question

certainly, you can come to the party

Synonyms & Similar Words

• definitely
• surely
• sure
• clearly
• probably
• really
• undoubtedly
• likely
• truly
• easily
• unquestionably
• so
• assuredly
• indeed
• undeniably
• for certain
• doubtless
• indisputably
• damn well
• plainly
• possibly
• perhaps
• obviously
• inarguably
• by all means
• unarguably
• incontestably
• alright
• for sure
• all right
• incontrovertibly
• conceivably
• by all odds
• forsooth
• hands down
• unmistakably

Example Sentences

Recent Examples of certainly

Plot details are being kept under wraps at this time, though sources say this is certainly a high priority at the studio now that McBride is on board to direct. — Justin Kroll, Deadline, 15 July 2026

But if Bellingham leads the Three Lions to immortality, knocking off the reigning champ in the process, Icons certainly won’t be complaining. — Justin Birnbaum, Sportico.com, 15 July 2026

High school football has certainly changed over the past 16 years, but Washington still sees plenty of similarities to his high school experience. — Jack Leo, AJC.com, 15 July 2026

But while her Nicholas Oakwell Couture gilded gown certainly evoked the power of the film’s character, Nyong’o’s clutch also paid homage to the Christopher Nolan adaptation. — Julia Teti, Footwear News, 15 July 2026