irritable

Easily irritated or annoyed.

Abnormally or excessively sensitive to a stimulus.

Capable of responding to a stimulus. Used of an organism.

Susceptible to mental irritation; liable to the excitement of anger or passion; irascible; petulant.

Susceptible to physical irritation; capable of being stimulated to action by external agency; liable to contract, shrink, become inflamed, etc., when excited or stimulated: as, irritable nerves; an irritable wound.

Specifically, in physiology and botany, possessing the property of irritability.

Responding quickly to a stimulus; sensitive; impressible.

Synonyms Passionate, etc. (see irascible); fretful, peevish.

Capable of being irritated.

Very susceptible of anger or passion; easily inflamed or exasperated.