from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act of yawning.
  • n. The state of being drowsy or inattentive; dullness.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act of yawning
  • n. drowsiness, especially when marked by yawning

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of gaping or yawning.
  • n. Drowsiness; dullness; sluggishness.

from The Century Dictionary and Cyclopedia

  • n. The act of gaping or yawning.
  • n. Unusual sleepiness; drowsiness; dullness; stupidity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. drowsiness and dullness manifested by yawning
  • n. an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom


From oscitant, yawning, from Latin ōscitāns, ōscitant-, present participle of ōscitāre, to yawn : ōs, mouth; see ōs- in Indo-European roots + citāre, to move; see kei-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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