alert Synonyms - page 3

red light overprotective on the lookout on the job on guard on the ball car alarm sensitization noisemaker signal fire screecher air horn alerting sharp-eyed give notice tip off attentiveness watchfulness yelper yare worrit wire wide-awake whistle watchtower alarm system burglar alarm Frisch enthralled cognisant sensitise all clear on the qui vive red alert sonar red flag foghorn alarm bell alarm clock hooter fire alarm wary pert expeditious clear-sighted clear-headed circumspective circumspection circumspect chirper