1) Acted bored 2) Acted sleepy 3) Appeared drowsy 4) Did it during boring show 5) Did it during soft rock show 6) Displayed a sleepy feeling 7) Displayed boredom 8) Displayed drowsiness 9) Displayed ennui 10) Exhibited ennui 11) Looked bored 12) Opened wide 13) Reacted with ennui 14) Showed boredom 1) Gaped 
• (imp. & p. p.) of Yawn
yawn, yawning, yawned 1. An involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom. 2. Utter a yawn; as from a lack of oxygen or when tired or bored. 3. To open the mouth wide with a deep inhalation, usually involuntarily because of drowsiness, fatigue, or boredom. 4. To open wide; to gape: 'The chasm yaw...