from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. sleepy; drowsy
from the GNU version of the Collaborative International Dictionary of English
- adj. Disposed to sleep; sleepy; drowsy.
from The Century Dictionary and Cyclopedia
- Disposed to sleep; sleepy; lacking vigilance.
sleep + -ish (Wiktionary)
He returned shortly looking sleepish, and announce "You can go now".