4. Characterized by an absence of watchfulness; as, sleepy security.

Sleepy duck (Zoöl.), the ruddy duck.

Sleep"y*head` (?), n. 1. A sleepy person.

To bed, to bed, says Sleepyhead.

Mother Goose.

The Gutenberg Webster's Unabridged Dictionary: Section S · 第 1302 / 3215 题