sleepier; sleepiest
Synonyms of sleepynext
1
a
: ready to fall asleep
b
: of, relating to, or characteristic of sleep
2
: sluggish as if from sleep : lethargic
also : having little activity
a sleepy coastal village
3
: sleep-inducing
sleepily adverb
sleepiness noun

Examples of sleepy in a Sentence

She felt sleepy and went to bed. the sleepy children were carried up to bed
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With one acrobatic slam after another, Yaxel Lendeborg cut through the sleepy atmosphere blanketing the pregame layup lines, injecting some energy into a crowd that was waiting to watch the team’s first summer league game at Chase Center on Friday. Joseph Dycus, Mercury News, 4 July 2026 Many competitors often report feeling sluggish, sleepy, or uncomfortable afterward. Jennifer Borresen, USA Today, 3 July 2026 The healthcare sector, usually a sleepy corner of the market, rallied in June – and Raymond James added two rising stars to its list of top picks in the sector. Darla Mercado, Cfp®, CNBC, 2 July 2026 The year is 1915, and while the First World War may be raging in Europe, the sleepy Isles of Scilly — off England’s Cornish coastline — seem distantly removed from the conflict. Guy Lodge, Variety, 1 July 2026 See All Example Sentences for sleepy

Word History

First Known Use

13th century, in the meaning defined at sense 1a

Time Traveler
The first known use of sleepy was in the 13th century

Browse Nearby Words

Cite this Entry

“Sleepy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sleepy. Accessed 5 Jul. 2026.

Kids Definition

sleepy

adjective
sleepier; sleepiest
1
: ready to fall asleep
2
: quietly inactive
a sleepy village
sleepily adverb
sleepiness noun

Medical Definition

sleepy

adjective
sleepier; sleepiest
: ready to fall asleep
sleepiness noun

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