| n. 1.  a.  An unpleasant feeling occurring as a result of injury or disease, usually localized in some part of the body: felt pains in his chest. b.  Bodily suffering characterized by such feelings: drugs to treat pain. 2.  a.  Mental or emotional suffering; distress. b.  An instance of this: the pains of humiliation. 3.   pains The pangs of childbirth. 4.   pains Great care or effort: taking pains with one's work. 5.  Informal   A source of annoyance; a nuisance: Stuffing all these envelopes is a real pain. tr.v.  pained, pain·ing, pains Idiom: 1.  To cause physical pain to; hurt: My feet really pained me after the hike. 2.  To cause mental or emotional distress to: "It pained him to remember every little thing about her" (John Irving).  on/under pain of  Subject to the penalty of (a specified punishment, such as death). [Middle English, from Old French peine, from Latin poena, penalty, pain, from Greek poinē, penalty; see  kwei-1 in the Appendix of Indo-European roots.] Synonyms:  pain, ache, pang, stitch, throe, twinge These nouns denote a sensation of severe physical discomfort: abdominal pain; aches in my leg; the pangs of a cramped muscle; a stitch in my side; the throes of dying; a twinge of arthritis. | 
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.











