Synonyms
Antonyms
Etymology

1. wakefulness

noun. a periodic state during which you are conscious and aware of the world.

Synonyms

  • vigil
  • waking
  • arousal
  • physiological condition
  • physiological state

Antonyms

  • hyperthermia
  • hypopigmentation
  • hypocapnia
  • hypothermia

Etymology

  • -ness (English)
  • wakeful (English)

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2. wakefulness

noun. a temporary state in which you are unable (or unwilling) to sleep.

Synonyms

  • sleeplessness

Antonyms

  • fertility
  • hypercapnia

Etymology

  • -ness (English)
  • wakeful (English)

3. wakefulness

noun. the process of paying close and continuous attention.

Synonyms

  • alertness
  • watchfulness
  • jealousy
  • attention

Antonyms

  • hyperpigmentation
  • impotency
  • estrus
  • infertility

Etymology

  • -ness (English)
  • wakeful (English)

Sentences with wakefulness


1. Noun, singular or mass
Serotonin is important in regulating the sleep cycle, and levels of the compound rise and fall as the body shifts between sleep and wakefulness.

2. Verb, base form
Startling him may cause him to snap at you as he transitions from sleep to wakefulness.

3. Adjective
Combined with the potentially carcinogenic activity of suppressed nighttime melatonin — the hormone that regulates wakefulness — vitamin D deficiency may be a serious threat to the health of night shift workers.

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