Definition of Irritation

1. Noun. The psychological state of being irritated or annoyed.




2. Noun. A sudden outburst of anger. "His temper sparked like damp firewood"
Exact synonyms: Pique, Temper
Generic synonyms: Annoyance, Chafe, Vexation
Derivative terms: Irritate, Pique, Temper

3. Noun. (pathology) abnormal sensitivity to stimulation. "Any food produced irritation of the stomach"
Category relationships: Pathology
Generic synonyms: Abnormalcy, Abnormality, Sensitisation, Sensitization
Derivative terms: Irritate

4. Noun. The neural or electrical arousal of an organ or muscle or gland.
Exact synonyms: Excitation, Innervation
Generic synonyms: Arousal
Derivative terms: Excite, Irritate

5. Noun. An uncomfortable feeling of mental painfulness or distress.
Exact synonyms: Discomfort, Soreness
Generic synonyms: Hurt, Suffering
Derivative terms: Irritate, Sore, Sore

6. Noun. Unfriendly behavior that causes anger or resentment.
Exact synonyms: Aggravation, Provocation
Specialized synonyms: Aggro, Last Straw, Taunt, Taunting, Twit
Generic synonyms: Aggression
Derivative terms: Aggravate, Irritate, Provoke

7. Noun. The act of troubling or annoying someone.
Exact synonyms: Annoyance, Annoying, Vexation
Generic synonyms: Mistreatment
Specialized synonyms: Exasperation, Red Flag
Derivative terms: Annoy, Irritate, Vex

Definition of Irritation

1. n. The act of irritating, or exciting, or the state of being irritated; excitement; stimulation, usually of an undue and uncomfortable kind; especially, excitement of anger or passion; provocation; annoyance; anger.

Definition of Irritation

1. Noun. The act of irritating, or exciting, or the state of being irritated; excitement; stimulation, usually of an undue and uncomfortable kind; especially, excitement of anger or passion; provocation; annoyance; anger. ¹

2. Noun. The act of exciting, or the condition of being excited to action, by stimulation; -- as, the condition of an organ of sense, when its nerve is affected by some external body; esp., the act of exciting muscle fibers to contraction, by artificial stimulation; as, the irritation of a motor nerve by electricity; also, the condition of a muscle and nerve, under such stimulation. ¹

3. Noun. A condition of morbid excitability or oversensitiveness of an organ or part of the body; a state in which the application of ordinary stimuli produces pain or excessive or vitiated action. ¹

¹ Source: wiktionary.com

Definition of Irritation

1. [n -S]

Medical Definition of Irritation

1. A state of overexcitation and undue sensitivity. Origin: L. Irritatio This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Irritation Pictures

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Lexicographical Neighbors of Irritation

irritableness
irritablenesses
irritably
irritainment
irritancies
irritancy
irritant
irritant contact dermatitis
irritant eczema
irritants
irritate
irritated
irritates
irritating
irritatingly
irritation (current term)
irritation cell
irritation fibroma
irritations
irritative
irritator
irritators
irritatory
irrorate
irroration
irrorations
irrotational
irrotationality
irrotationally
irrubrical

Literary usage of Irritation

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1907)
"The cardio- inhibitory curves were set up especially by irritation near root of lungs. ... Trocar irritation of right visceral pleura was followed by slight ..."

2. Journal of Nervous and Mental Disease by American Neurological Association, Philadelphia Neurological Society, Chicago Neurological Society, New York Neurological Association, Boston Society of Psychiatry and Neurology (1885)
"He has not studied the effects upon the movements on the opposite side, but those on the same side as the irritation. All the experiments were made upon ..."

3. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"... *c- ; contraction of the pupil under the Influence of light on the retina^ winking, from irritation of the seniory nerves of the conjunctiva ; sneezing, ..."

4. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"Among the phenomena of motor irritation manifesting themselves as involuntary contractions of striped muscle, we shall consider (1) fibrillary and ..."

5. Nature by Nature Publishing Group, Norman Lockyer (1883)
"Further investigations still, showed that both chemical and electrical irritation would excite the inhibitory apparatus, and he, therefore, considered that ..."

6. Medical Record by George Frederick Shrady, Thomas Lathrop Stedman (1889)
"The irritation arises often suddenly, sometimes gradually, to a degree sufficient to cause ... This maximum of irritation lasts for days, and even weeks, ..."

7. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1884)
"The strength of the contraction caused by irritation of the hypoglossus is at least six times ... Chemical irritation of the lingual had hardly any effect. ..."

8. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1907)
"The cardio- inhibitory curves were set up especially by irritation near root of lungs. ... Trocar irritation of right visceral pleura was followed by slight ..."

9. Journal of Nervous and Mental Disease by American Neurological Association, Philadelphia Neurological Society, Chicago Neurological Society, New York Neurological Association, Boston Society of Psychiatry and Neurology (1885)
"He has not studied the effects upon the movements on the opposite side, but those on the same side as the irritation. All the experiments were made upon ..."

10. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"... *c- ; contraction of the pupil under the Influence of light on the retina^ winking, from irritation of the seniory nerves of the conjunctiva ; sneezing, ..."

11. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"Among the phenomena of motor irritation manifesting themselves as involuntary contractions of striped muscle, we shall consider (1) fibrillary and ..."

12. Nature by Nature Publishing Group, Norman Lockyer (1883)
"Further investigations still, showed that both chemical and electrical irritation would excite the inhibitory apparatus, and he, therefore, considered that ..."

13. Medical Record by George Frederick Shrady, Thomas Lathrop Stedman (1889)
"The irritation arises often suddenly, sometimes gradually, to a degree sufficient to cause ... This maximum of irritation lasts for days, and even weeks, ..."

14. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1884)
"The strength of the contraction caused by irritation of the hypoglossus is at least six times ... Chemical irritation of the lingual had hardly any effect. ..."

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