Adjective: irritable i-ri-tu-bul
- Easily irritated or annoyed
"an incorrigibly irritable young man";
- cranky [informal], fractious, nettlesome, peevish, peckish [N. Amer, informal], pettish, petulant, scratchy, testy, tetchy, techy, pouty, narky [Brit, slang]
- (pathology) abnormally sensitive to a stimulus
"The patient's irritable bowel syndrome caused frequent discomfort"
- (physiology) capable of responding to stimuli
"The irritable nerve cells fired rapidly in response to the stimulus";
- excitable
See also: ill-natured, sensitive
Encyclopedia: Irritable