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definitions

humanitarian

[hyoo-man-i-tair-ee-uh n or, often, yoo-]
adjective
  1. having concern for or helping to improve the welfare and happiness of people.
  2. of or relating to ethical or theological humanitarianism.
  3. pertaining to the saving of human lives or to the alleviation of suffering: a humanitarian crisis.
noun
  1. a person actively engaged in promoting human welfare and social reforms, as a philanthropist.
  2. a person who professes ethical or theological humanitarianism.

Origin of humanitarian

First recorded in 1810–20; humanit(y) + -arian
Related formsan·ti·hu·man·i·tar·i·an, adjective, nounsem·i·hu·man·i·tar·i·an, adjective, nounun·hu·man·i·tar·i·an, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for unhumanitarian

humanitarian

adjective
  1. having the interests of mankind at heart
  2. of or relating to ethical or theological humanitarianism
noun
  1. a philanthropist
  2. an adherent of humanitarianism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for unhumanitarian

humanitarian

n.

1794 (n.) in the theological sense "one who affirms the humanity of Christ but denies his pre-existence and divinity," from humanity + suffix from unitarian, etc.; see humanism. Meaning "philanthropist, one who advocates or practices human action to solve social problems" is from 1842, originally disparaging, with a suggestion of excess. As an adjective, by 1834.

Online Etymology Dictionary, © 2010 Douglas Harper