Synonyms: oscitance, oscitancy, yawn, yawning
Definition: an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom
Usage: he could not suppress a yawn; the yawning in the audience told him it was time to stop; he apologized for his oscitancy
Similar words: unconditioned reflex, inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response
Definition: an automatic instinctive unlearned reaction to a stimulus
Synonyms: oscitance, oscitancy
Definition: drowsiness and dullness manifested by yawning
Similar words: dullness, obtuseness
Definition: the quality of being slow to understand
Similar words: drowsiness, somnolence, sleepiness
Definition: a very sleepy state
Usage: sleepiness causes many driving accidents