1. Adjective
Watchful; vigilant; active in vigilance.
2. Adjective
Brisk; nimble; moving with celerity.
3. Noun
An alarm from a real or threatened attack; a sudden attack; also, a bugle sound to give warning.
4. Noun
an automatic signal (usually a sound) warning of danger
Vocabulary classified under Business and finance
5. Noun
a warning serves to make you more alert to danger
Vocabulary classified under Linguistics
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