from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Drowsy; sleepy.
- adj. Inducing or tending to induce sleep; soporific.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Drowsy or sleepy.
- adj. Causing literal or figurative sleepiness; soporific.
from the GNU version of the Collaborative International Dictionary of English
- adj. Sleepy; drowsy; inclined to sleep.
from The Century Dictionary and Cyclopedia
- Sleepy; drowsy; inclined to sleep; sluggish.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. inclined to or marked by drowsiness
Middle English sompnolent, from Old French, from Latin somnolentus : somnus, sleep; see swep- in Indo-European roots + -olentus, abounding in.(American Heritage® Dictionary of the English Language, Fourth Edition)
First attested in 1615. From French somnolent, from Old French sompolent, subsequently from Latin somnolentus, Latin somnus ("sleep"), Proto-Indo-European *swépnos, *súpnos (“dream”), which both are derived from Proto-Indo-European *swep-. (Wiktionary)