Definition of yawn

Definition of yawn
  1. yawn Verb To open the mouth widely and take a long, rather deep breath, often because one is tired and sometimes accompanied by pandiculation.
  2. yawn Verb To present an opening that appears able to swallow one up, literally or metaphorically:
  3. yawn Noun The action of yawning; opening the mouth widely and taking a long, rather deep breath, often because one is tired.
  4. yawn Noun A particularly boring event.
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