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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

Happening without warning.

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Usage examples (39)
  • All of a sudden, the cat jumped up and ran out of the room.
  • A sudden storm
  • But the term sudden infant death syndrome, or SIDS, wasn't coined until the 1960s when it was declared a medical disorder.
  • Why all of the sudden is there a fanboy following for Ryan Gosling?
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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.