1. (noun)
yawn, yawning, oscitance, oscitancy
- an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom Synonyms: oscitancy, oscitance, yawn, yawning
2. (verb)
yawn
- utter a yawn, as from lack of oxygen or when one is tired Synonyms: yaw, gape
3. (verb)
gape, yawn, yaw
- be wide open Synonyms: gawk, gawp, yaw, goggle, yawn, gape