Antonyms for on the alert

Grammar : Adj

Spell : uh-lurt

Phonetic Transcription : əˈlɜrt

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Definition of on the alert

Origin :

• "on the watch," 1590s, from French alerte "vigilant" (17c.), from phrase à l'erte "on the watch," from Italian all'erta "to the height," from erta "lookout, high tower," noun use of fem. of erto, past participle of ergere "raise up," from Latin erigere "raise" (see erect). The adjective is attested from 1610s, the noun from 1803, and the verb from 1868. Related: Alerted; alerting.

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Synonyms for on the alert