adj. 1. Drowsy; sleepy. 2. Inducing or tending to induce sleep; soporific. [Middle English sompnolent, from Old French, from Latin somnolentus : somnus, sleep; see swep- in the Appendix of Indo-European roots + -olentus, abounding in.] somno·lent·ly adv. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.