- Word Explorer
|part of speech:
||keenly alert and attentive; watchful, esp. for danger.
No one got past the vigilant guards.The family thanked the vigilant nurses who tended their father.
- alert, attentive, cautious, observant, wary, watchful
- similar words:
- chary, circumspect, guarded, guardian, jealous, on guard, on the qui vive, prudent, sharp-eyed, sleepless, wakeful, wide-awake
||attentive, awake, cagey, careful, cautious, observant