alert
WordReference English Thesaurus © 2025
Sense: Adjective: watchful
Synonyms:
watchful, on guard, attentive Collocations, vigilant, wary Collocations, aware Collocations, on the lookout, observant, sharp Collocations, mindful Collocations, conscious Collocations, on the ball , wide-awake, all ears , awake Collocations, wakeful
Sense: Adjective: intelligent
Synonyms:
bright Collocations, clever Collocations, sharp Collocations, intelligent Collocations, smart Collocations, quick Collocations, quick-witted, quick-thinking, quick on the uptake
Sense: Noun: warning
Synonyms:
warning Collocations, alarm Collocations, signal Collocations, notification Collocations, caution Collocations, horn Collocations, klaxon, hooter, siren, alarm bell, whistle Collocations, sign Collocations, prompt Collocations
Sense: Verb: warn
Synonyms:
warn Collocations, give sb a warning, inform, caution Collocations, put on guard, signal Collocations, tip off, tell Collocations, give sb a heads-up , indicate, advise Collocations, make sb aware, give sb notice, notify Collocations