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.
Wisley in Surrey has now gone well over a month without any wet weather and it is by no means certain that it will record any rainfall on Friday or this weekend.
From BBC ● Jul. 24, 2026
The lounge is included with certain premium tickets and Amtrak status, but I had neither on my one-way trip from New York to Connecticut.
From The Wall Street Journal ● Jul. 24, 2026
There’s certain arguments or discussions that there’s no room for subtlety.”
From Los Angeles Times ● Jul. 24, 2026
Each county would elect a certain number of delegates, depending on its size and support for Democratic candidates.
From Slate ● Jul. 24, 2026
Maybe it would have stayed that way forever if a certain visitor had not come to The Mountain in search of a certain kind of gold.
From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff
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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