MeanOF

vigilant

- adjective (adj)

Meaning: careful, watchful

Synonyms: acute agog alert anxious attentive aware cautious circumspect guarded keen looking for looking to observant on alert on guard on the ball on the job on the lookout on the qui vive on toes open-eyed sharp sleepless unsleeping waiting on wakeful wary wide-awake with eyes peeled with weather eye open

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.