Synonyms for on the alert
- alive
- astir
- attentive
- careful
- heedful
- insomniac
- insomnious
- observant
- on guard
- on the lookout
- on the qui vive
- sleepless
- unsleeping
- vigilant
- waking
- wary
- watchful
- wide-awake
MOST RELEVANT
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
RELATED WORDS AND SYNONYMS FOR ON THE ALERT
unsleeping
adjectivewakefulRoget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.