altruism

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UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈæltruɪzəm/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈæltruˌɪzəm/ ,USA pronunciation: respelling(altro̅o̅ iz′əm)



WordReference Random House Learner's Dictionary of American English © 2020
al•tru•ism /ˈæltruˌɪzəm/USA pronunciation   n. [uncountable]
  1. concern for the welfare, happiness, and well-being of others;
    selflessness.
al•tru•ist, n. [countable]
al•tru•is•tic, adj. 
al•tru•is•ti•cal•ly, adv. See -alte-.

WordReference Random House Unabridged Dictionary of American English © 2020
al•tru•ism  (altro̅o̅ iz′əm),USA pronunciation n. 
  1. the principle or practice of unselfish concern for or devotion to the welfare of others (opposed to egoism).
  2. Animal Behaviorbehavior by an animal that may be to its disadvantage but that benefits others of its kind, as a warning cry that reveals the location of the caller to a predator.
  • Vulgar Latin *alterui, oblique form of Latin alter other (French autre), with -ui from cui to whom; -l- restored from Latin alter) + -isme -ism; popularized through translation of A. Comte, who perh. coined it, on the model of égoisme egoism
  • French altruisme, equivalent. to autru(i) others (
  • 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::
altruism /ˈæltruːˌɪzəm/ n
  1. the principle or practice of unselfish concern for the welfare of others
Etymology: 19th Century: from French altruisme, from Italian altrui others, from Latin alterī, plural of alter other

ˈaltruist n ˌaltruˈistic adj ˌaltruˈistically adv
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