Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun yawn

1 sense of yawn

Sense 1
yawn, yawning, oscitance, oscitancy -- (an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; "he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"; "he apologized for his oscitancy")
       => reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction -- (an automatic instinctive unlearned reaction to a stimulus)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb yawn

2 senses of yawn

Sense 1
yawn -- (utter a yawn, as from lack of oxygen or when one is tired; "The child yawned during the long performance")
       => breathe, take a breath, respire, suspire -- (draw air into, and expel out of, the lungs; "I can breathe better when the air is clean"; "The patient is respiring")

Sense 2
gape, yawn, yaw -- (be wide open; "the deep gaping canyon")
       => be -- (have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer")