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Definitions

certain

[sur-tn] / ˈsɜr tn /






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.

See Examples For:

Amid these challenges and others that people working in public service have faced over the years in accessing promised student-debt forgiveness, Dismore says borrowers should know that they’re entitled to certain rights under the law.

From MarketWatch ● Oct. 30, 2026

He believes that when certain projects require the participation of multiple bureaus, there can be a silo effect that slows progress.

From Los Angeles Times ● Oct. 30, 2026

Some gamers are very protective of their favourite titles and new versions don't always meet certain fans' astronomically high expectations.

From BBC ● Oct. 30, 2026

Rome is one of those airports where you take a bus to passport control and baggage claim, at least on certain airlines including American.

From The Wall Street Journal ● Oct. 30, 2026

She hasn’t tried to deny it, of course, but I’m certain that she’s delaying as she tries to figure out how she might.

From "The Brightwood Code" by Monica Hesse


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