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be certain of

VERB
believe
Synonyms
STRONGEST
accept admit conclude consider have hold regard suppose think trust understand
STRONG
accredit affirm buy conceive credit deem posit postulate presuppose swallow
WEAK
attach weight to be convinced of be credulous be of the opinion count on fall for give credence to have faith in have no doubt keep the faith lap up place confidence in presume true reckon on rest assured swear by take as gospel take at one's word take for granted take it
Antonyms
STRONGEST
abandon deny disbelieve discard dismiss dispute disregard exclude forget ignore neglect refuse reject
WEAK
distrust

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.

With their title hopes in tatters, Liverpool can't be certain of reaching the Champions League last 16 either after a second defeat in five games in the tournament.

From Barron's • Nov. 26, 2025

As to what the courts do, I would like to think they would block it, but again, I can’t be certain of that.

From Slate • Mar. 29, 2025

City needs to win its final game of the season to be certain of winning the title ahead of second-place Arsenal.

From Seattle Times • May 19, 2024

"I think it makes a mockery of the Premier League. When you announce the charge, you have to be certain of the points deduction," Townsend told BBC Radio 5 Live's Monday Night Club in April.

From BBC • May 7, 2024

I could be certain of only two people, Phineas and myself.

From "A Separate Peace" by John Knowles

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