wideawake
/ˌwaɪdəˈweɪk/
adjective
- Completely awake; not sleepy at all.
- The baby was wideawake at midnight, ready to play.
- I tried to sleep, but the noise kept me wideawake.
- After drinking coffee, she was wideawake for the rest of the night.
- Alert and aware of what is happening around you.
- The security guard remained wideawake during his entire shift.
- A good driver must stay wideawake to avoid accidents.
- Students need to be wideawake during the exam to catch every detail.