sleepy
Americanadjective
-
ready or inclined to sleep; drowsy.
- Synonyms:
- slumberous, somnolent, tired
-
of or showing drowsiness.
-
languid; languorous.
a sleepy gesture.
-
lethargic; sluggish.
a sleepy brook.
-
quiet.
a sleepy village.
-
inducing sleep; soporific.
sleepy warmth.
adjective
-
inclined to or needing sleep; drowsy
-
characterized by or exhibiting drowsiness, sluggishness, etc
-
conducive to sleep; soporific
-
without activity or bustle
a sleepy town
Other Word Forms
Derived Forms
Inflected Forms
Adjectives
Etymology
Origin of sleepy
Middle English word dating back to 1175–1225; see origin at sleep, -y 1
Explanation
When you're sleepy, you're tired or drowsy. Snow White's dwarf who is always yawning? That's Sleepy! Sleepy people need to sleep. Sleepy things (like a sleepy yawn or a sleepy face) can be evidence of how exhausted someone is. If a place is described as sleepy, it means "unexciting" or "without activity," so you could call the little village where your grandparents live a sleepy town. You can also call your tired friend a "sleepy head," a term that's been around since the 1500s.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Instead, it seemed to wake the herbs up, sharpening their edges and giving the whole thing just enough brightness to keep the carbs from feeling sleepy.
From Salon • Jul. 7, 2026
When it is hot, feeling sleepy can be precious - save it for bedtime.
From BBC • Jun. 22, 2026
At first, the change is imperceptible but Nick notices that his sleepy village seems more vibrant, more populated with people.
From Los Angeles Times • Jun. 19, 2026
Previous versions have often been sleepy affairs with more backslapping and grandstanding than serious policy action.
From The Wall Street Journal • Jun. 15, 2026
“Since the cutback in rations, I see a difference. They grow sleepy, they have trouble concentrating. . . .”
From "The Hiding Place" by Corrie ten Boom
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.