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.
During a recent earnings call with analysts, Reilly said the company had invested more in repairs and maintenance at certain parks in a bid to increase guest satisfaction.
From The Wall Street Journal ● Oct. 24, 2026
The wing had knocked on over the try line early on to spill a seemingly certain England opener, but made no mistake here for his seventh try in six Tests.
From BBC ● Oct. 24, 2026
The discovery demonstrates how sophisticated coordination can allow animals to overcome physical limitations that might otherwise make certain types of movement impractical.
From Science Daily ● Oct. 24, 2026
As long as they adhere to price caps, agree to certain labor requirements and fix repairs that arise, they’re protected from lawsuits from buyers concerning defects 10 years after construction of the home.
From Los Angeles Times ● Oct. 24, 2026
It’s hard to feel certain Mom loves any of us given our current situation, but I force that thought aside.
From "South of Somewhere" by Kalena Miller
Vocabulary lists containing certain
The Real Deal: Synonyms for "True"
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A Sure Thing: Synonyms for "Definite"
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