Definitions

1. noun

an act of yawning

“She let out a big yawn and stretched her arms.”

2. verb

to breathe in deeply with the mouth open, typically as a sign of tiredness or boredom

“After staying up all night, he yawned repeatedly in class.”

3. verb (transitive)

to cause to yawn or feel sleepy

“The warmth of the sun made the child yawn and snuggle up in her blanket.”

4. verb (transitive), informal

to express boredom or indifference

“Stop yawning and pay attention to the teacher, it’s time for a test.”