1. oscitance, oscitancy, yawn, yawning

an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom

Example Sentences:
'he could not suppress a yawn'
'the yawning in the audience told him it was time to stop'
'he apologized for his oscitancy'

• oscitance
• oscitancy
• yawn

2. yawning

gaping open as if threatening to engulf someone or something

Example Sentences:
'the yawning mine shaft'
'a yawning abyss'

3. yawning

with the mouth wide open indicating boredom or sleepiness

Example Sentences:
'a yawning congregation'

• open
• opened

4. drowsy, oscitant, yawning

showing lack of attention or boredom

Example Sentences:
'the yawning congregation'

• drowsy
• oscitant