English dictionary
certain
/'s/[@]/rt/-/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
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having or feeling no doubt or uncertainty; confident and assured
ExamplesFelt certain of success.
Was sure (or certain) she had seen it.
Source: WordNet 3.0
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established beyond doubt or question; definitely known
ExamplesWhat is certain is that every effect must have a cause.
It is certain that they were on the bus.
His fate is certain.
The date for the invasion is certain.
Antonyms uncertainSource: WordNet 3.0
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certain to occur; destined or inevitable
ExamplesHe was certain to fail.
His fate is certain.
In this life nothing is certain but death and taxes.
He faced certain death.
Source: WordNet 3.0
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established irrevocably
Source: WordNet 3.0
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Assured in mind; having no doubts; free from suspicions concerning.
Source: webster1913
noun
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Certainty.
Source: webster1913
adverb
-
Certainly.
Source: webster1913
adjective satellite
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definite but not specified or identified
ExamplesSet aside a certain sum each week.
To a certain degree.
Certain breeds do not make good pets.
Certain members have not paid their dues.
A certain popular teacher.
A certain Mrs. Jones.
Source: WordNet 3.0
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reliable in operation or effect
ExamplesA quick and certain remedy.
Source: WordNet 3.0
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exercising or taking care great enough to bring assurance
ExamplesBe certain to disconnect the iron when you are through.
Source: WordNet 3.0