Synonyms of air alert

Noun

1. air alert, time period, period of time, period

usage: the time period during which military and civilian agencies are prepared for an enemy air attack

2. air alert, alert, qui vive

usage: the condition in which combat aircraft are airborne and ready for an operation; "aircraft in the Mideast are on air alert"

3. air alert, alarm, alert, warning signal, alarum

usage: the warning signal that begins a period of preparation for an enemy air attack