irritability

[ ir-i-tuh-bil-i-tee ]
/ ˌɪr ɪ təˈbɪl ɪ ti /

noun, plural ir·ri·ta·bil·i·ties.

the quality or state of being irritable.
Physiology, Biology. the ability to be excited to a characteristic action or function by the application of some stimulus: Protoplasm displays irritability by responding to heat.

Origin of irritability

From the Latin word irrītābilitās, dating back to 1745–55. See irritable, -ity

OTHER WORDS FROM irritability

non·ir·ri·ta·bil·i·ty, noun su·per·ir·ri·ta·bil·i·ty, noun

Example sentences from the Web for irritability

Medical definitions for irritability

irritability
[ ĭr′ĭ-tə-bĭlĭ-tē ]

n.

The capacity to respond to stimuli.
Abnormal or excessive sensitivity to stimuli of an organism, organ, or body part.