| Pronunciation: | | sl'eepeenus
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 WordNet Dictionary |
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| | Definition: | |
[n] a very sleepy state; "sleepiness causes many driving accidents" |
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SLEEPINESS is a 10 letter word that starts with S. |
| | Synonyms: | | drowsiness, somnolence |
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| | Antonyms: | | sleeplessness, wakefulness |
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| | See Also: | | oscitance, oscitancy, temporary state |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Sleep"i*ness\, n.
The quality or state of being sleepy.
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