Thesaurus

certain

Q: 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," certain may apply to a basing of a conclusion or conviction on definite grounds or indubitable evidence. // police are certain about the cause of the fire

Q: When would 'cocksure' be a good substitute for 'certain'?

In some situations, the words cocksure and certain are roughly equivalent. However, cocksure implies presumptuous or careless positiveness. // you're always so cocksure about everything

Q: When is it sensible to use 'positive' instead of 'certain'?

While the synonyms positive and certain are close in meaning, positive intensifies sureness or certainty and may imply opinionated conviction or forceful expression of it. // I'm positive that's the person I saw

Q: When could 'sure' be used to replace 'certain'?

The words sure and certain are synonyms, but do differ in nuance. Specifically, sure usually stresses the subjective or intuitive feeling of assurance. // felt sure that I had forgotten something

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Synonyms & Antonyms of certain

1 known but not named

a certain person told me that today is your birthday

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2 having or showing a mind free from doubt

I'm certain that they'll arrive on time

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3 having been established and usually not subject to change

a certain percentage of the profits will go to charity

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4 impossible to avoid or evade

as he got older, the athlete began to feel the certain effects of the aging process on his body

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preventable
(also preventible)

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5 not likely to fail

chicken soup is grandma's certain cure for pretty much whatever ails you

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deadly,
unerring

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fallible

6 not capable of being challenged or proved wrong

up to this point there's been no certain evidence that a crime has been committed

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Frequently Asked Questions About certain

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," certain may apply to a basing of a conclusion or conviction on definite grounds or indubitable evidence.

police are certain about the cause of the fire

When would cocksure be a good substitute for certain?

In some situations, the words cocksure and certain are roughly equivalent. However, cocksure implies presumptuous or careless positiveness.

you're always so cocksure about everything

When is it sensible to use positive instead of certain?

While the synonyms positive and certain are close in meaning, positive intensifies sureness or certainty and may imply opinionated conviction or forceful expression of it.

I'm positive that's the person I saw

When could sure be used to replace certain?

The words sure and certain are synonyms, but do differ in nuance. Specifically, sure usually stresses the subjective or intuitive feeling of assurance.

felt sure that I had forgotten something