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
Related formsnon·ir·ri·ta·bil·i·ty, nounsu·per·ir·ri·ta·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for irritability

Word Origin and History for irritability

irritability


n.

1755, from irritable + -ity.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine 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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.