a person unselfishly concerned for or devoted to the welfare of others (opposed to egoist).

Nearby words

  1. altostratus,
  2. altrices,
  3. altricial,
  4. altrincham,
  5. altruism,
  6. altruistic,
  7. altus,
  8. alu,
  9. aludel,
  10. alula

Origin of altruist

1865–70; < French altruiste; see altruism, -ist

Related formshy·per·al·tru·ist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for altruist

Word Origin and History for altruist



1842, from French; see altruism + -ist.

Online Etymology Dictionary, © 2010 Douglas Harper