# wakeful

> English word · Adjective

## Definitions
1. Awake; not sleeping.
2. Sleepless.
3. Vigilant and alert; watchful.

## Etymology
From wake + -ful.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/wakeful