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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

adj. - Belonging to or active during the night; Of or relating to or occurring in the night.

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Usage examples (39)
  • Boar born in the wild quickly become nocturnal to avoid being shot at, which frequently happens.
  • nocturnal animals are active at night
  • nocturnal darkness
  • Neighbors ... said they wouldn't rest until the large black snake, which appears to be nocturnal, is no longer free.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.