- 1
Vigilant or on one's guard against danger or difficulty.
- Stay aware! Don't let your guard down.
- 2
Conscious or having knowledge of something; awake.
- Are you aware of what is being said about you?
- Gotta get going. I wasn’t aware that it was already so late.
syn. aware · witting · in the know · on the ball · on the same page · sharp · up to speed · up-to-date · with it
ant. unaware