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Antonyms for on alert


Grammar : Adj
Spell : uh-lurt
Phonetic Transcription : əˈlɜrt



Definition of on 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.
  • As in on call : adj ready to work
  • As in vigilant : adj careful, watchful
  • As in wakeful : adj alert, restless
  • As in unsleeping : adj wakeful

Synonyms for on alert

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019