sure, certain, positive, cocksure mean having no doubt or uncertainty. sure usually stresses the subjective or intuitive feeling of assurance. certain may apply to a basing of a conclusion or …

CERTAIN definition: 1. having no doubt or knowing exactly that something is true, or known to be true, correct, exact…. Learn more.

Certain definition: free from doubt or reservation; confident; sure.. See examples of CERTAIN used in a sentence.

Find 981 different ways to say CERTAIN, along with antonyms, related words, and example sentences at Thesaurus.com.

If you say that something is certain, you firmly believe that it is true, or have definite knowledge about it.

1. (postpositive) positive and confident about the truth of something; convinced: I am certain that he wrote a book. 2. (usually postpositive) definitely known: it is certain that they were on the …

When you're certain, you're sure about something. When you raise your hand to give the answer, you feel certain that you are correct. Certain can mean "definite" or "sure to happen," like …

Having been determined but unspecified. The quality of some particular subject or object which is known by the speaker to have been specifically singled out among similar entities of its class. I …

I'm certain he doesn't realize it, but he does put himself first. We are certain about the results of this test, though. She was equally certain that he would have loved them.

How does the adjective certain contrast with its synonyms? Some common synonyms of certain are cocksure, positive, and sure. While all these words mean "having no doubt or uncertainty," …