sleepiness

noun

sleep·​i·​ness ˈslēpēnə̇s How to pronounce sleepiness (audio)
-pin-
plural -es
Synonyms of sleepinessnext
1
: the quality or state of being sleepy
2
: an abnormal condition in flowers (such as carnations or snapdragons) marked by a partial closing of the petals

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Cite this Entry

“Sleepiness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sleepiness. Accessed 17 Dec. 2025.

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