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.
By carefully testing every possible mutation in a key region of this gene, researchers were able to explain why certain mutations appear repeatedly in specific cancers.
From Science Daily
What remains less certain is how much human-made noise affects these turtles as they move through such crowded environments.
From Science Daily
The new analysis took a closer look at why people eating only whole foods consumed much larger portions of certain foods while still taking in fewer total calories.
From Science Daily
In Venice, day trippers hoping to visit the Italian city on certain days between April and July will have to pay €5 if they book in advance, or €10 if they book last-minute.
From BBC
If a district exceeds a certain amount that takes them below the required instructional hours, then they begin to make them up.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.