The Collaborative International Dictionary of English v.0.48:

Queer \Queer\ (kw[=e]r), a. [Compar. Queerer (kw[=e]r"[~e]r);
   superl. Queerest.] [G. quer cross, oblique, athwart (cf.
   querkopf a queer fellow), OHG. twer, twerh, dwerah; akin to
   D. dvars, AS, [thorn]weorh thwart, bent, twisted, Icel.
   [thorn]verr thwart, transverse, Goth. [thorn]wa[`i]rhs angry,
   and perh. to L. torqyere to twist, and E. through. Cf.
   Torture, Through, Thwart, a.]
   1. At variance with what is usual or normal; differing in
      some odd way from what is ordinary; odd; singular;
      strange; whimsical; as, a queer story or act. " A queer
      look." --W. Irving.
      [1913 Webster]

   2. Mysterious; suspicious; questionable; as, a queer
      transaction. [Colloq.]
      [1913 Webster]

   3. homosexual. [disparaging and offensive]
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Queer \Queer\, n.
   1. Counterfeit money. [Slang]
      [1913 Webster]

   2. a homosexual. [disparaging and offensive]
      [PJC]

   To shove the queer, to put counterfeit money in
      circulation. [Slang]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Queer \Queer\ (kw[=e]r), v. t. [From Queer, a.]
   1. To puzzle. [Prov. Eng. or Slang]
      [Webster 1913 Suppl.]

   2. To ridicule; to banter; to rally. [Slang]
      [Webster 1913 Suppl.]

   3. To spoil the effect or success of, as by ridicule; to
      throw a wet blanket on; to spoil. [Slang]
      [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

queer
    adj 1: beyond or deviating from the usual or expected; "a
           curious hybrid accent"; "her speech has a funny twang";
           "they have some funny ideas about war"; "had an odd
           name"; "the peculiar aromatic odor of cloves"; "something
           definitely queer about this town"; "what a rum fellow";
           "singular behavior" [syn: curious, funny, odd,
           peculiar, queer, rum, rummy, singular]
    2: homosexual or arousing homosexual desires [syn: gay,
       queer, homophile(a)]
    n 1: offensive term for an openly homosexual man [syn: fagot,
         faggot, fag, fairy, nance, pansy, queen,
         queer, poof, poove, pouf]
    v 1: hinder or prevent (the efforts, plans, or desires) of;
         "What ultimately frustrated every challenger was Ruth's
         amazing September surge"; "foil your opponent" [syn:
         thwart, queer, spoil, scotch, foil, cross,
         frustrate, baffle, bilk]
    2: put in a dangerous, disadvantageous, or difficult position
       [syn: queer, expose, scupper, endanger, peril]

Moby Thesaurus II by Grady Ward, 1.0:

298 Moby Thesaurus words for "queer":
   AC-DC, abnormal, absurd, affected, amphierotic, anomalous,
   apocryphal, artificial, assumed, atypical, auntie, autoerotic,
   bad check, bad money, ball up, base coin, bastard, batty,
   bereft of reason, bi-guy, bisexed, bisexual, bizarre, bogus,
   bogus money, bollix, bollix up, botch, brainsick, brummagem,
   bugger, bugger up, bull dyke, bungle, butch, catamite, chicken,
   colorable, colored, cook, counterfeit, counterfeit money,
   counterfeited, crab, crackbrained, cracked, cramp, crank, crankish,
   cranky, crazed, crazy, crimp, cripple, crotchety, curious, daft,
   de-energize, debilitate, deluded, demented, deprived of reason,
   deranged, destroy, deviant, deviative, different, disable,
   disenable, disoriented, distorted, distraught, divergent, dizzy,
   dotty, doubtful, drain, dressed up, droll, dubious, dummy, dyke,
   eccentric, effeminate, embellished, embroidered, enfeeble, erratic,
   ersatz, exceptional, exotic, extraordinary, factitious, fag,
   faggot, faint, fairy, fake, faked, false money, falsified, feigned,
   femme, fey, fictitious, fictive, fishy, flaky, flighty, flit,
   forgery, foul up, freaked out, freakish, freaky, fricatrice, fruit,
   funny, garbled, gay, giddy, green goods, gum, gum up, gunsel,
   hallucinated, hamstring, hash up, hipped, homo, homoerotic,
   homophile, homosexual, homosexualist, hors de combat, idiocratic,
   idiosyncratic, illegitimate, imitation, inactivate, incapacitate,
   incongruous, insane, invert, inverted, irrational, irregular,
   junky, kibosh, kinky, kite, kooky, lame, laughable, lesbian,
   light-headed, loco, loony, louse up, ludicrous, lunatic, mad,
   maddened, maggoty, maim, make-believe, man-made, manic, mannish,
   mar, mazed, mental, mentally deficient, meshuggah, mess up, mock,
   moon-struck, muck up, muddle, muff, mysterious, nance, non compos,
   non compos mentis, not all there, not right, nuts, nutty, odd,
   oddball, of unsound mind, off, off the wall, offbeat, out,
   outlandish, outre, pansy, passing strange, pathic, peculiar,
   perverted, phony, pinchbeck, play hell with, play hob with, poorly,
   potty, pretended, pseudo, psycho, punk, put, put-on, puzzling,
   quaint, qualmish, qualmy, quasi, queasy, queen, queer the works,
   questionable, quirky, reasonless, remarkable, ridiculous,
   rubber check, ruin, sabotage, sapphic, sapphist, screw up,
   screwball, screwy, self-styled, senseless, shady, sham, shoddy,
   sick, simulated, singular, sink, snafu, snarl up, so-called,
   soi-disant, spike, spoil, spurious, stark-mad, stark-staring mad,
   strange, supposititious, suspect, suspicious, synthetic, tetched,
   tin, tinsel, titivated, touched, transvestite, tribade,
   tribadistic, twisted, unauthentic, unbalanced, uncanny, uncommon,
   unconventional, unearthly, uneasy, unexampled, unfit, ungenuine,
   unhinged, unnatural, unorthodox, unparalleled, unreal, unsane,
   unsettled, unsound, unusual, unwell, vertiginous, wacky, wandering,
   warped, weaken, weird, whimsical, wing, witless, wondrous strange,
   wreck