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The meaning of SIGN is a motion or gesture by which a thought is expressed or a command or wish made known. How to use sign in a sentence. Synonym Discussion of Sign.

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SIGN definition: 1. to write your name, usually on a written or printed document, to show that you agree with its…. Learn more.

Define sign. sign synonyms, sign pronunciation, sign translation, English dictionary definition of sign. n. 1. Something that suggests the presence or existence of a fact, condition, or quality: A …

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Sign is a general word for whatever gives evidence of an event—past, present, or future: Dark clouds are a sign of rain or snow. An omen is an augury or warning of things to come; it is …