certain
Usage
What are other ways to say certain?
Certain, one of a handful of adjectives indicating full belief and trust that something is true, suggests that there are definite reasons that have freed one from doubt. Confident emphasizes the strength of the belief or the certainty of expectation felt. Positive implies emphatic certainty, which may even become overconfidence or dogmatism. Sure, the simplest and most general term, expresses mere absence of doubt.
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.
Their findings suggest that although certain areas may temporarily accumulate more carbon as water levels increase, the overall capacity of mangrove forests to store carbon is likely to decline over the next century.
From Science Daily • Jun. 5, 2026
That minimum can be extended as high as $500,000 in certain IPOs.
From MarketWatch • Jun. 5, 2026
Since March there’s been a swing back to AI stocks, with extraordinary gains for chip stocks and certain power companies, even after this week’s wobble.
From The Wall Street Journal • Jun. 5, 2026
"I want them each to make certain compromises, and I think they're going to do it."
From BBC • Jun. 5, 2026
“Well, maybe, at a certain time in the future, I will come across a delicious chocolate cake.”
From "The Very, Very Far North" by Dan Bar-el
Vocabulary lists containing certain
The Real Deal: Synonyms for "True"
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List 1
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A Sure Thing: Synonyms for "Definite"
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