usage: 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"
1. yawn, breathe, take a breath, respire, suspire
usage: utter a yawn, as from lack of oxygen or when one is tired; "The child yawned during the long performance"
2. gape, yawn, yaw, be
usage: be wide open; "the deep gaping canyon"
1. yawning, open (vs. closed)
usage: gaping open as if threatening to engulf someone or something; "the yawning mine shaft"; "a yawning abyss"
2. yawning, open (vs. closed), opened
usage: with the mouth wide open indicating boredom or sleepiness; "a yawning congregation"