Pronunciation: /ʃʊr saɪn/
noun sure sign - a clear indication or evidence of something
A1 Seeing smoke coming from a building is a sure sign of a fire.
A2 A sudden drop in temperature is a sure sign that winter is coming.
B1 A lack of appetite can be a sure sign of illness.
B2 The company's declining profits are a sure sign that changes need to be made.
C1 The politician's refusal to answer questions was a sure sign of dishonesty.
C2 The sudden increase in earthquakes is a sure sign of impending disaster.
formal The sudden drop in temperature is a sure sign that winter is approaching.
informal Her sneezing and runny nose are a sure sign that she's coming down with a cold.
slang When he starts talking about his ex-girlfriend all the time, it's a sure sign he's not over her.
figurative The dark clouds gathering in the sky were a sure sign of the impending storm.
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