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Vocabulary Entry
certain
|adjective • noun • verb
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A
adjective
Known for sure; established beyond doubt.
Example Sentences
"I am certain that I left my keys on the table."
"She is certain about her decision to move."
"The scientist has certain evidence to support her theory."
N
noun
An instance of something that is known to be true.
Example Sentences
"We cannot make any certainties without more data."
"His promise was a certainty that calmed her worries."
"In life, there are few certainties we can rely on."
V
verb
To make something certain or sure.
Example Sentences
"Please ensure that you certain the accuracy of your report."
"The manager wished to certain the success of the project."
"They wanted to certain the safety of the new product before launch."