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Definitions
Sleepiness
Meaning
Synonyms
Antonyms
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Word Type
Pronunciation
Word Forms
Sleepiness
noun
noun
·
3 syllables
·
Moderate
·
College level
Definitions
Noun
1
The property of being sleepy.
uncountable, usually
2
a very sleepy state
wordnet
Synonyms
All synonyms
drowsiness
somnolence
acedia
apathy
boredom
brain fag
Antonyms
All antonyms
alertness
caffeine boost
nighttime alertness
nighttime wakefulness
Example
More examples
"This medication causes sleepiness."
Etymology
From sleepy + -ness.
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