Dictionary.com
Thesaurus.com
Synonyms

irritable

American  
[ir-i-tuh-buhl] / ˈɪr ɪ tə bəl /

adjective

  1. easily irritated or annoyed; readily excited to impatience or anger.

    Synonyms:
    resentful, petulant, snappish
  2. Physiology, Biology. displaying irritability.

  3. Pathology. susceptible to physical irritation.

  4. Medicine/Medical. abnormally sensitive to a stimulus.


irritable British  
/ ˈɪrɪtəbəl /

adjective

  1. quickly irritated; easily annoyed; peevish

  2. (of all living organisms) capable of responding to such stimuli as heat, light, and touch

  3. pathol abnormally sensitive

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

Irritable, testy, touchy, irascible are adjectives meaning easily upset, offended, or angered. Irritable means easily annoyed or bothered, and it implies cross and snappish behavior: an irritable clerk, rude and hostile; Impatient and irritable, he was constantly complaining. Testy describes the same kind of behavior or response, particularly to minor annoyances: always on edge, testy and sharp in response; testy and petulant, resenting any interruption. Touchy emphasizes oversensitivity and readiness to take offense, even when none is intended: especially touchy about any reference to obesity. Irascible means habitually angry or easily aroused to anger: an irascible tyrant, roaring at employees for the slightest error.

Other Word Forms

  • irritability noun
  • irritableness noun
  • irritably adverb
  • nonirritable adjective
  • nonirritableness noun
  • nonirritably adverb
  • unirritable adjective
  • unirritably adverb

Etymology

Origin of irritable

First recorded in 1655–65; from Latin irrītābilis, equivalent to irrītā(re) “to irritate ” + -bilis -ble

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I follow him to our darkened compartment, which is already occupied by three sleeping soldiers, a stout nun, and an irritable hen.

From Literature

He broke the Dutchman again on his opening serve in the second set and moved to 4-2, but it was a struggle and he became noticeably more irritable.

From Barron's

The findings may also be relevant for other conditions associated with gut inflammation, including irritable bowel syndrome, chronic liver disease, and neurodegenerative disorders such as Alzheimer's and Parkinson's diseases.

From Science Daily

I began, turning my charm first on to Mrs. Maroney and then her irritable offspring.

From Literature

Her bloating and weight loss were originally put down to irritable bowel syndrome until she became so ill she ended up in A&E.

From BBC