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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
- accessible
- acute
- agog
- alert
- alive
- anxious
- astir
- at hand
- at one's beck and call
- at one's disposal
- at one's fingertip
- attentive
- available
- awake
- aware
- careful
- cautious
- circumspect
- guarded
- handy
- heedful
- insomniac
- insomnious
- keen
- looking for
- looking to
- night call
- observant
- on alert
- on deck
- on guard
- on the alert
- on the ball
- on the job
- on the lookout
- on the qui vive
- on the spot
- on toes
- on-call
- open-eyed
- prepared
- sharp
- sleepless
- standing by
- unsleeping
- vigilant
- waiting on
- wakeful
- waking
- wary
- watchful
- wide-awake
- with eyes peeled
- with weather eye open
- within reach
Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019