noun
- A very sleepy state.
- usage: "sleepiness causes many driving accidents"
- synonyms: sleepiness, somnolence
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Drowsiness. Retrieved September 21, 2026, from http://smartdefine.org/drowsiness/definitions/1271529 |
| Chicago | WordNet. 2010. "Drowsiness" http://smartdefine.org/drowsiness/definitions/1271529 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Drowsiness, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/drowsiness/definitions/1271529>. |
| MLA | WordNet. "Drowsiness" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/drowsiness/definitions/1271529> |