warning
adjective/ˈwɔːnɪŋ/
/ˈwɔːrnɪŋ/
[only before noun]- telling or showing somebody that something bad or unpleasant may happen in the future so that they can try to avoid it
- She had ignored the warning signs of trouble ahead.
- Police fired a number of warning shots.
- Warning bells began to ring (= it was a sign that something was wrong) when her letters were returned unopened.
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warning