Similar Words
alertly
alertness
already
argus-eyed
awake
aware
cognisant
cognizant
energetic
fly
heads-up
lidless
lively
open-eyed
sleepless
vigilant
wakeful
wary
wide-awake
Misspelling
aalert, aleert, aler, alerrt, alertt, allert, lert

Alert — synonyms, alert antonyms, definition

1. alert (a)

113 synonyms
able active acute adept adroit advancing agile airy alive animated assiduous assured astir astute attentive awake aware bright brisk bustling • • •

2. alert (Noun)

18 synonyms
alarm alarum alerting alertness call caution horn notice qui vive signal siren summons tocsin vigilance wariness warning warning signal whistle
3 definitions

alert (Noun) — Condition of heightened watchfulness or preparation for action. ex. "bombers were put on alert during the crisis"

alert (Noun) — A warning serves to make you more alert to danger.

alert (Noun) — An automatic signal (usually a sound) warning of danger.

8 types of
preparation preparedness readiness sign signal signaling signalling warning
15 types
EAS Emergency Alert System air alert alarm bell burglar alarm fire alarm foghorn fogsignal horn red alert red flag siren strip alert tocsin torpedo

3. alert (Verb)

6 synonyms
apprise caution inform notify signal warn
1 definition

alert (Verb) — Warn or arouse to a sense of danger or call to a state of preparedness. ex. "We alerted the new neighbours to the high rate of burglaries"

1 type of
warn
1 type
wake

4. alert (Adjective)

5 synonyms
merry rattling snappy spanking zippy
1 antonym
unalert
3 definitions

alert (Adjective) — Engaged in or accustomed to close observation. ex. "alert enough to spot the opportunity when it came" ex. "constantly alert and vigilant, like a sentinel on duty" ex. "caught by a couple of alert cops"

alert (Adjective) — Quick and energetic.

alert (Adjective) — Mentally perceptive and responsive. ex. "an alert mind" ex. "alert to the problems"