adjective Etymology: Middle English, from Middle French & Latin; Middle French, from Latin impurus, from in- + purus pure Date: 15th century not pure: as a. lewd, unchaste b. containing something unclean ; foul <
impure water
c. ritually unclean d. mixed or impregnated with an extraneous and usually unwanted substance <
an impure chemical
impurely adverbimpureness noun

New Collegiate Dictionary. 2001.


Look at other dictionaries:

  • Impure — Im*pure , a. [L. impurus; pref. im not + purus pure: cf. F. impur. See {Pure}.] [1913 Webster] 1. Not pure; not clean; dirty; foul; filthy; containing something which is unclean or unwholesome; mixed or impregnated extraneous substances;… …   The Collaborative International Dictionary of English

  • Impure — Im*pure , v. t. To defile; to pollute. [Obs.] Bp. Hall. [1913 Webster] …   The Collaborative International Dictionary of English

  • impure — index bad (inferior), blemished, disreputable, dissolute, immoral, lewd, licentious, marred …   Law dictionary

  • impure — (adj.) mid 15c., from M.Fr. impur (13c.), from L. impurus unclean, filthy, foul, from assimilated form of in not, opposite of (see IN (Cf. in ) (1)) + purus pure (see PURE (Cf. pure)). As a noun from 1784. Related: Impurely …   Etymology dictionary

  • impure — [adj] not clean mentally, physically; mixed admixed, adulterated, alloyed, carnal, coarse, common, contaminated, corrupt, debased, defiled, desecrated, diluted, dirty, doctored*, filthy, foul, gross*, grubby*, immodest, immoral, indecent,… …   New thesaurus

  • impure — ► ADJECTIVE 1) mixed with foreign matter; adulterated or tainted. 2) morally wrong, especially in sexual matters. 3) contaminated according to ritual prescriptions …   English terms dictionary

  • impure — [im pyoor′] adj. [L impurus] not pure; specif., a) unclean; dirty b) unclean according to religious ritual; defiled c) obscene; unchaste d) mixed with foreign matter; adulterated e) mixed so as to lack purity in color, tone, style, etc …   English World dictionary

  • impure — ● impur, impure adjectif (latin impurus) Qui n est pas pur, dont la composition est altérée par la présence d éléments étrangers : Produit brut, impur qui doit être raffiné. Qui est souillé, infecté par des éléments corrompus, pathogènes : L air… …   Encyclopédie Universelle

  • impure — adjective 1 an impure substance has something else mixed with it, especially something of a lower quality: An added danger was that the group was using impure sodium chlorate in their bombs. opposite pure (1) 2 old fashioned or humorous impure… …   Longman dictionary of contemporary English

  • impure — impurely, adv. impureness, n. /im pyoor /, adj. 1. not pure; mixed with extraneous matter, esp. of an inferior or contaminating nature: impure water and air. 2. modified by admixture, as color. 3. mixed or combined with something else: an impure… …   Universalium

  • impure — adjective a) Not pure; not clean; dirty; foul; filthy; containing something which is unclean or unwholesome; mixed or impregnated extraneous substances; adulterated; as, impure water or air; impure drugs, food, etc …   Wiktionary

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