pain
Americannoun
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physical suffering or distress, as due to injury, illness, etc.
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a distressing sensation in a particular part of the body.
a back pain.
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mental or emotional suffering or torment.
I am sorry my news causes you such pain.
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pains,
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laborious or careful efforts; assiduous care.
Great pains have been taken to repair the engine perfectly.
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the suffering of childbirth.
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Informal. an annoying or troublesome person or thing.
verb (used with object)
verb (used without object)
noun
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the sensation of acute physical hurt or discomfort caused by injury, illness, etc
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emotional suffering or mental distress
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subject to the penalty of
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Also called: pain in the neck. pain in the arse. informal a person or thing that is a nuisance
verb
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to cause (a person) distress, hurt, grief, anxiety, etc
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informal to annoy; irritate
Synonym Usage
Pain , ache , agony , anguish are terms for sensations causing suffering or torment. Pain and ache usually refer to physical sensations (except heartache ); agony and anguish may be physical or mental. Pain suggests a sudden sharp twinge: a pain in one's ankle. Ache applies to a continuous pain, whether acute or dull: headache; muscular aches. Agony implies a continuous, excruciating, scarcely endurable pain: in agony from a wound. Anguish suggests not only extreme and long-continued pain, but also a feeling of despair. See care.
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
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painsimple
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painssimple
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have painedperfect
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has painedperfect
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am painingprogressive
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are painingprogressive
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is painingprogressive
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have been painingperfect progressive
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has been painingperfect progressive
Past
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painedsimple
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had painedperfect
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was painingprogressive
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were painingprogressive
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had been painingperfect progressive
Future
Etymology
Origin of pain
First recorded in 1250–1300; Middle English peine “punishment, torture, pain,” from Old French, from Latin poena “penalty, pain,” from Greek poinḗ “penalty”
Explanation
If you feel pain, you feel acute physical or emotional discomfort. A sprained ankle will pain you. So will news of a loved one's death. If you "take pain" over something, it means you're being careful. An annoying person can be described as a pain––it's understood that they don't cause you actual physical pain, but cause you emotional discomfort and distress. You can also describe this person as a "pain in the neck," "a pain in the butt," or "a royal pain."
Vocabulary lists containing pain
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.
In more severe cases, people may need to go to the hospital for supportive measures such as IV fluids, pain management and nursing care, according to the Centers for Disease Control and Prevention.
From Los Angeles Times • Jul. 8, 2026
Chatbots and other automated systems are a pain to deal with, judging by the 900 or so customers who responded to the Journal: “terrible,” “infuriating” and “it sucks” were common descriptions.
From The Wall Street Journal • Jul. 8, 2026
By contrast, in a story titled “The Children Stay,” Munro said of the pain of leaving one’s children for a man: “You won’t get free of it, but you won’t die of it.”
From Los Angeles Times • Jul. 8, 2026
Ami Robertson, now 23, says she experienced endometriosis pain from the age of 16, but was repeatedly told she must have something else, such as irritable bowel syndrome.
From BBC • Jul. 7, 2026
I tried it and squalled like a stepped-on cat with the pain.
From "Summer of the Monkeys" by Wilson Rawls
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
