Slumberous
Pronunciation : Slum"ber*ous
Part of Speech : a.
Definition : 1. Inviting slumber; soporiferous. "Pensive in the slumberous shade." Pope.
2. Being in the repose of slumber; sleepy; drowsy. His quiet and almost slumberous countenance. Hawthorne.
Source : Webster's Unabridged Dictionary, 1913