alertness

English

Etymology

From alert +‎ -ness.

Pronunciation

  • (US) IPA(key): /əˈlɝt.nəs/
  • Audio (Southern England):(file)

Noun

alertness (usually uncountable, plural alertnesses)

  1. The quality of being alert or on the alert.
    • 1989 September 12, Daniel Goleman, “Feeling Sleepy? An Urge to Nap Is Built In”, in The New York Times‎[1]:
      THE human body was meant to have a midafternoon nap, according to a new consensus among sleep researchers who are studying the biological rhythms of sleep and alertness.

Translations

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