impure

impure
    adj 1: combined with extraneous elements [ant: {pure}]
    2: (used of persons or behaviors) immoral or obscene; "impure
       thoughts" [ant: {pure}]
    3: having a physical or moral blemish so as to make impure
       according to dietary or ceremonial laws; "unclean meat"; "and
       the swine...is unclean to you"-Leviticus 11:3 [syn:
       {unclean}, {impure}] [ant: {clean}]
    

Impure \Im*pure"\, v. t.
   To defile; to pollute. [Obs.] --Bp. Hall.
   [1913 Webster]
    

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; adulterated; as, impure
      water or air; impure drugs, food, etc.
      [1913 Webster]

   2. Defiled by sin or guilt; unholy; unhallowed; -- said of
      persons or things.
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   3. Unchaste; lewd; unclean; obscene; as, impure language or
      ideas. "Impure desires." --Cowper.
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   4. (Script.) Not purified according to the ceremonial law of
      Moses; unclean.
      [1913 Webster]

   5. (Language) Not accurate; not idiomatic; as, impure Latin;
      an impure style.
      [1913 Webster]
    

190 Moby Thesaurus words for "impure":
      Adamic, Doric, Fescennine, Rabelaisian, adulterated, alloyed,
      backsliding, barbaric, barbarous, bawdy, belowstairs, besmirched,
      black, blemished, blue, cacophonous, carnal, clumsy, coarse,
      common, contaminated, corrupted, crude, damaged, debased,
      defective, deficient, defiled, degenerate, depraved, dirty,
      dissolute, doggerel, dysphemistic, erring, erroneous, evil, fallen,
      fallible, faulty, feculent, filthy, fleshly, forbidden, foul,
      foul-mouthed, foul-spoken, foul-tongued, found wanting, frail,
      fulsome, graceless, gross, grubby, harsh, immature, immodest,
      immoral, impaired, imperfect, imprecise, improper, in bad taste,
      inaccurate, inadequate, incomplete, inconcinnate, inconcinnous,
      incorrect, indecent, indecorous, inelegant, inexact, infected,
      infelicitous, infirm, ithyphallic, lacking, lapsed, lascivious,
      lecherous, lewd, libidinous, licentious, loose, low, lubricious,
      lubricous, lurid, lustful, maculate, makeshift, mediocre, mixed,
      nasty, native, nonkosher, not perfect, obscene, of easy virtue,
      off, offensive, outlandish, partial, patchy, peccable, polluted,
      pornographic, postlapsarian, prodigal, promiscuous, prurient,
      putrescent, putrid, raunchy, raw, recidivist, recidivistic, ribald,
      ritually unclean, rotten, rude, run-of-mine, salacious, scarlet,
      scummy, scurrile, scurrilous, sensual, short, sinful, sketchy,
      smirched, smoking-room, smutty, soiled, soily, squalid, sullied,
      sultry, tainted, tasteless, tref, unangelic, unbathed, unchaste,
      unclean, uncleanly, uncourtly, uncouth, undeveloped, undignified,
      uneuphonious, uneven, unfelicitous, unfinished, ungodly, ungood,
      ungraceful, ungraded, unhallowed, unholy, unperfected, unpolished,
      unprintable, unpure, unrefined, unrepeatable, unrighteous,
      unsaintly, unscoured, unscrubbed, unseemly, unsorted, unsound,
      unswept, unthorough, unvirginal, unvirtuous, unwashed, unwiped,
      vile, virtueless, vitiated, vulgar, wanting, wanton, wayward, weak,
      wicked