Yawn Definition

yôn
yawned, yawning, yawns
verb
yawned, yawning, yawns
To open the mouth wide, esp. involuntarily, and breathe in deeply, as a result of fatigue, drowsiness, or boredom.
Webster's New World
To express or utter with a yawn.
Webster's New World
To be or become wide open; gape.
A yawning chasm.
Webster's New World
To yawn is to open widely, or to open your mouth widely and breathe in because you are tired.
YourDictionary
The most common theory is that yawning is a result of slow breathing due to boredom or tiredness. Slow breathing increases the levels of carbon dioxide gas in the body. As a means of coping, the brain triggers the yawning action.
YourDictionary
Antonyms:
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noun
yawns
An act of yawning or opening wide.
Webster's New World
One that provokes yawns; a bore.
The movie was nothing more than one big yawn.
American Heritage
A wide opening; chasm.
Webster's New World

The action of yawning; opening the mouth widely and taking a long, rather deep breath, often because one is tired.

Wiktionary

A particularly boring event.

The slideshow we sat through was such a yawn. I was glad when it finished.
Wiktionary
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Origin of Yawn

  • Middle English yanen alteration of yonen, yenen from Old English geonian

    From American Heritage Dictionary of the English Language, 5th Edition

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