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.
Initially, a plug-in will allow Salesforce users to apply Claude’s reasoning capabilities to their corporate data and automate certain sales functions, the companies said.
From The Wall Street Journal ● Sep. 8, 2026
Climate change increases El Nino's global weather impacts, but it is not yet certain whether it increases the risk of stronger El Ninos.
From Barron's ● Sep. 8, 2026
However, the home was still in the contingency phase, meaning an offer was accepted and the sale was dependent on certain conditions being met.
From MarketWatch ● Sep. 8, 2026
"They'll demand a certain amount of money," he said - usually amounting to a few hundred dollars - to withdraw the claim.
From BBC ● Sep. 8, 2026
But we knew when to rap ‘yes’ or ‘no’ according to certain signs she made us during the séance.
From "American Spirits" by Barb Rosenstock
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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