Dictionary definition · yawning
noun
- an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom"he could not suppress a yawn"
adjective
- gaping open as if threatening to engulf someone or something"the yawning mine shaft"
- with the mouth wide open indicating boredom or sleepiness"a yawning congregation"
- showing lack of attention or boredom"the yawning congregation"
Source: Open English WordNet (CC BY 4.0).