Dictionary.com
Thesaurus.com
Synonyms

irritate

American  
[ir-i-tayt] / ˈɪr ɪˌteɪt /

verb (used with object)

  • irritates,
    present (3rd person singular)
  • irritated,
    past participle,  past
  • irritating
    present participle
  1. to excite to impatience or anger; annoy.

    Synonyms:
    inflame, infuriate, enrage, incense, pic, ruffle, nettle, gall, fret, chafe, vex
  2. Physiology, Biology. to excite (a living system) to some characteristic action or function.

  3. Pathology. to bring (a body part) to an abnormally excited or sensitive condition.


verb (used without object)

  • irritates,
    present (3rd person singular)
  • irritated,
    past participle,  past
  • irritating
    present participle
  1. to cause irritation or become irritated.

irritate British  
/ ˈɪrɪˌteɪt /

verb

  1. to annoy or anger (someone)

  2. (tr) biology to stimulate (an organism or part) to respond in a characteristic manner

  3. (tr) pathol to cause (a bodily organ or part) to become excessively stimulated, resulting in inflammation, tenderness, etc

"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

Synonym Usage

Irritate, exasperate, provoke mean to annoy or stir to anger. To irritate is to excite to impatience or angry feeling, often of no great depth or duration: to irritate by refusing to explain an action. To exasperate is to irritate to a point where self-control is threatened or lost: to exasperate by continual delays and excuses. To provoke is to stir to a sudden, strong feeling of resentful anger as by unwarrantable acts or wanton annoyance: to tease and provoke an animal until it attacks.

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of irritate

1525–35; < Latin irrītātus, past participle of irrītāre to arouse to anger, excite, aggravate, equivalent to irritā- v. stem + -tus past participle suffix


Explanation

To irritate is to cause an unsettling reaction, whether it's of the body or the nerves. You can irritate someone by talking too loudly on your cellphone in public. You can also irritate your skin, causing a rash or redness. To irritate is to disturb — either physically or psychologically. When you have an allergic reaction to something, you irritate or disturb the body. When you have an allergic reaction to your kid brother, he is probably irritating you with his annoying habits. And what is the result of something irritating? An irritation of course.

Keep Reading on Vocabulary.com

Vocabulary lists containing irritate

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.

See Examples For:

More skincare products aren't necessarily better A complicated routine with frequent exfoliations or strong acids can irritate young skin.

From BBC ● Sep. 21, 2026

Volcanic ash can pose health concerns because it may irritate the respiratory system, eyes, and skin.

From Science Daily ● Sep. 18, 2026

A 4-2 defeat to Real Sociedad on Tuesday will irritate their perfectionist head coach, but there is plenty of time for him to fine-tune the Europa League holders before the start of the new campaign.

From BBC ● Jul. 28, 2026

Short-term exposure can irritate the lungs and nasal passages, and cause nausea and dizziness, said Dr. Regina Chinsio-Kwong, Orange County’s health officer.

From The Wall Street Journal ● May 23, 2026

This would irritate my father, who could not stand any noise, especially when he was tired from work, which was most of the time.

From "The Circuit: Stories from the Life of a Migrant Child" by Francisco Jiménez

But when it goes away, so do our nightly doses of Colbert’s affable clowning, the kind that irritates thin-skinned despots in a way other comics can’t quite match.

From Salon ● May 21, 2026

B.J. irritates the other characters with yet another drum solo, the self-aware jokes about his self-centeredness would land better if “K-Pops!” wasn’t convinced that the audience wants as much of him on-screen as possible.

From Los Angeles Times ● Feb. 26, 2026

‘How do you come up with things to write about?” a young George Will once asked William F. Buckley Jr. That’s easy, said the National Review founder, “the world irritates me three times a week.”

From The Wall Street Journal ● Oct. 21, 2025

Traditional oral iron supplements can help, but they often leave behind unabsorbed iron that irritates the digestive tract and triggers inflammation.

From Science Daily ● Oct. 20, 2025

Marv admires his own humor and still persists with the key, which irritates me no end.

From "I Am the Messenger" by Markus Zusak

"Inevitably a muscle or ligament gets stretched and a bit irritated," he says.

From BBC ● Sep. 27, 2026

In interviews, dozens of farmworkers reported suffering from nausea, burning eyes or irritated throats due to chemical-laced fields.

From Los Angeles Times ● Sep. 24, 2026

Canada's regional leaders said the United States has been particularly irritated by one retaliatory measure: the removal of US alcohol and wine from liquor stores.

From Barron's ● Aug. 21, 2026

One imagines irritated Michigan Wolverines burning checkbooks and disavowing money-market accounts as they drink their spritzes at Ann Arbor tailgates—but inside Columbus, this is like getting to sponsor religion.

From The Wall Street Journal ● Jul. 30, 2026

Mrs. Bessermann is irritated because Siunek pays too much attention to Cesia.

From "The Light in Hidden Places" by Sharon Cameron

“It was real skinny, real wiry, real kind of irritating actually; listening to it almost hurt your head,” Wagoner said in Stephen Miller’s “Smart Blonde: The Life of Dolly Parton.”

From The Wall Street Journal ● Aug. 30, 2026

After a rough start, including a run-in with an irritating policeman, she lands at the home of a baker, Osono, who gives her a place to stay in exchange for labor and her delivery services.

From Salon ● Jul. 30, 2026

They said the coverage of the Instagram re-post row had been "deeply irritating" but added that the review was not directly linked to that incident.

From BBC ● Jul. 30, 2026

Letisha Lucas, a 33-year-old tourist from Canada -- which has its own wildfires happening -- said the smoke smell was immediately obvious on arrival in Madrid "and very irritating on the throat".

From Barron's ● Jul. 26, 2026

My therapist was Mary Fernandez, and I found her probing irritating.

From "Three Little Words: A Memoir" by Ashley Rhodes-Courter

Random Word

Spin the wheel and learn a new word!

Get a word


Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com