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sign

 
 
/saɪn/ noun [C]

Definition

PROOF something which shows that something is happening: Flowers are the first sign of Spring. [+ (that)] It's a sign that things are improving. Staff are showing signs of strain.
NOTICE a symbol or message in a public place which gives information or instructions: a road sign a 'no-smoking' sign
SYMBOL a symbol which has a particular meaning: a dollar/pound sign the sign of the cross
MOVEMENT a movement you make to give someone information or tell them what to do → See also star sign
(Definition of sign noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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