Webster's English Dictionary

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utilitarian

1. util.i.tar.i.an \yu.-.til-*-'ter-e--*n, .yu:-\ n : an advocate or 
   adherent of utilitarianism 
2. utilitarian aj 1: of or relating to or advocating utilitarianism  2: 
   marked by utilitarian views or practices  3a: of, relating to, or aiming at 
   utility  3b: exhibiting or preferring mere utility