Synonymer till yawningadjektiv(gaping open as if threatening to engulf someone or something) yawning(with the mouth wide open indicating boredom or sleepiness) yawning(showing lack of attention or boredom) drowsy; oscitant; yawningsubstantiv(an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom) yawn; oscitance; oscitancy; yawningverb(utter a yawn, as from lack of oxygen or when one is tired) yawn; yawning(be wide open) gape; yawn; yaw; yawning