Definitions:

1. An involuntary intake of breath through a wide open mouth. NOUN
   • Your yawning is contagious.
2. Describes something wide open, often in a dramatic or figurative sense. ADJECTIVE
   • They stared at the yawning canyon below.
3. Showing lack of attention or boredom. ADJECTIVE
   • The teacher tried a new subject to wake the yawning class.
4. The act of opening the mouth wide and inhaling deeply, usually from tiredness, boredmon, or drowsiness. NOUN
   • There was a lot of yawning during the early morning meeting.

Synonyms:

• cavernous
• drowsy
• gaping
• open
• vast
• wide
• yawn