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a state of heightened vigilance, especially prior to battle
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
condition of heightened watchfulness or preparation for action
Definition source: Princeton WordNet 3.0
Examples
- bombers were put on alert during the crisis
Meaning relationships
Synonyms: alert
Antonyms: none provided
Broader terms: readiness, preparedness, preparation
Narrower terms: air alert, red alert, strip alert
Borrowed from French qui vive.