: a condition in which someone is not able to think normally because of being drunk, drugged, tired, etc.

What does stupor mean medically?

Stupor is unresponsiveness from which a person can be aroused only by vigorous, physical stimulation. Coma is unresponsiveness from which a person cannot be aroused and in which the person's eyes remain closed, even when the person is stimulated.

What is an example of stupor?

A state of reduced consciousness or sensibility. The definition of a stupor is a state where you are in a daze or nearly unconscious. When you get very drunk and don't know what is going on, this is an example of a situation where you are in a stupor.