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.
The pattern day-trading rule was meant not only to protect retail investors from overtrading, but also to protect brokerages, which had to meet certain cash balance and margin requirements.
From MarketWatch • Jun. 3, 2026
Another highlight arrives on June 17, when the Moon passes directly in front of Venus for observers in certain locations.
From Science Daily • Jun. 3, 2026
Being a foodie has also become defined by leveraging a certain amount of cultural or social cache.
From Salon • Jun. 3, 2026
If Thomas Tuchel's side go deep into the tournament, Kane is surely certain to score his fair share.
From BBC • Jun. 3, 2026
He consented when I told him that I wanted to do this for a certain purpose.
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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