impure

[im-pyoor]

adjective

not pure; mixed with extraneous matter, especially of an inferior or contaminating nature: impure water and air.
modified by admixture, as color.
mixed or combined with something else: an impure style of architecture.
regarded by a religion as unclean, as animals or things.
not morally pure or proper; unchaste or obscene: impure thoughts.
marked by foreign and unsuitable or objectionable elements or characteristics, as a style of art or of literary expression.

Origin of impure

From the Latin word impūrus, dating back to 1530–40. See im-2, pure
Related formsim·pure·ly, adverbim·pure·ness, noun

Synonyms for impure

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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British Dictionary definitions for impure

impure

adjective

not pure; combined with something else; tainted or sullied
(in certain religions)
  1. (of persons) ritually unclean and as such debarred from certain religious ceremonies
  2. (of foodstuffs, vessels, etc) debarred from certain religious uses
(of a colour) mixed with another colour or with black or white
of more than one origin or style, as of architecture or other design
Derived Formsimpurely, adverbimpureness, noun
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 impure
adj.

mid-15c., from Middle French impur (13c.), from Latin impurus "unclean, filthy, foul," from assimilated form of in- "not, opposite of" (see in- (1)) + purus "pure" (see pure). As a noun from 1784. Related: Impurely.

Online Etymology Dictionary, © 2010 Douglas Harper