Definition of sleepiness in English:


Line breaks: sleepi|ness
Pronunciation: /ˈsliːpɪnəs


[mass noun]
The state of being sleepy: long road trips cause fatigue and sleepiness
More example sentences
  • They may wake up frequently at night resulting in sleepiness and fatigue during the day.
  • Daytime fatigue or sleepiness is also a risk and could make driving or operating machinery dangerous.
  • Various subjective measures of fatigue and sleepiness have been developed.
lethargy, sluggishness, inactivity, heaviness, lassitude, enervation, torpor, torpidity;
Medicine narcosis, narcolepsy
rare somnolency, comatoseness, oscitancy, oscitation

Definition of sleepiness in:

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Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
turned backwards