形容词

1. 困倦的;昏昏欲睡的
If you feel drowsy, you feel sleepy and cannot think clearly.

1. showing lack of attention or boredom

e.g. the yawning congregation

Synonym: oscitantyawning(a)

2. half asleep

e.g. made drowsy by the long ride
it seemed a pity to disturb the drowsing (or dozing) professor
a tired dozy child
the nodding (or napping) grandmother in her rocking chair

Synonym: drowsing(a)dozy