Synonyms for alert
- adjective
- noun
Synonyms by meaning
Adjective
1. Vigilant — attentive; awake; on guard
vigilant, aware, awake, wide-awake, alive, cautious, attentive, wary, prudent, meticulous, sleepless, heedful rare
2. Active — brisk; nimble; moving with celerity
active, ready, prompt, lively, smart, spirited, quick, agile, sharp, swift, nimble, spry, rattling, merry, snappy, sprightly, zippy informal, expeditious, spanking, brisk
Noun
Definitions
- adj. 1
Attentive; awake; on guard.
- adj. 2
brisk; nimble; moving with celerity.
- n. 1
An alarm.
Related words
Forms
- Plural
- alerts → alarms, alarums, bells, bulletins…
Choose the right word
Active refers to both quickness and constancy of action; in the former sense it is allied with agile, alert, brisk, etc.; in the latter, with busy, diligent, industrious.
J. C. Fernald, English Synonyms and Antonyms (1914)
Example sentences
- aware Tom wasn't aware that nobody was listening to him.
- awake Tom lay awake for a long time thinking about Mary.
- vigilant One has to be vigilant in these troubled times.
- active Mrs Klein is over 80, but she's still very active.
- rattling Yanni heard the windows rattling in the kitchen.
By length
- 4 letters
- bell1, wary2, spry1
- 5 letters
- ready2, quick1, aware2, alive2, smart1, sharp1, alarm2, swift1, awake2, merry2, agile2, brisk1, zippy2
- 6 letters
- active2, prompt1, lively2, nimble2, snappy2, alarum
- 7 letters
- prudent2, wakeful, heedful
- 8 letters
- cautious2, bulletin3, spirited3, vigilant3, spanking2, rattling2, watchful2, alertful
- 9 letters
- attentive3, sleepless2, expectant3, sprightly2
- 10 letters
- meticulous4
- 11 letters
- expeditious4
The small number after each word is its number of syllables (wary2 = 2 syllables).