The Collaborative International Dictionary of English v.0.48:

measly \mea"sly\ (m[=e]"zly), a.
   1. Infected with measles.
      [1913 Webster]

   2. (Zool.) Containing larval tapeworms; -- said of pork and
      beef.
      [1913 Webster]

   3. Contemptibly small in quantity; meager; absurdly
      insufficient or bad; as, a measly few dollars for all that
      work.
      [PJC]

WordNet (r) 3.0 (2006):

measly
    adj 1: contemptibly small in amount; "a measly tip"; "the
           company donated a miserable $100 for flood relief"; "a
           paltry wage"; "almost depleted his miserable store of
           dried beans" [syn: measly, miserable, paltry]

Moby Thesaurus II by Grady Ward, 1.0:

117 Moby Thesaurus words for "measly":
   abject, abominable, allergic, anemic, apoplectic, arrant,
   arthritic, atrocious, base, beggarly, bilious, cancerous, cheesy,
   chlorotic, colicky, consumptive, contemptible, crummy, debased,
   degraded, depraved, despicable, dirty, disgusting, dropsical,
   dyspeptic, edematous, encephalitic, epileptic, execrable, flagrant,
   foul, fulsome, grave, gross, heinous, jerkwater, laryngitic,
   leprous, little, low, low-down, luetic, lumpen, malarial,
   malignant, mangy, mean, mingy, miserable, miserly, monstrous,
   nefarious, nephritic, neuralgic, neuritic, niggardly, niggling,
   obnoxious, odious, one-horse, palsied, paltry, paralytic, pathetic,
   pettifogging, petty, phthisic, picayune, picayunish, piddling,
   piffling, pleuritic, pneumonic, pocky, podagric, poky, poor, punk,
   puny, rachitic, rank, reptilian, rheumatic, rickety, scabby, scant,
   scanty, scorbutic, scrofulous, scrubby, scruffy, scummy, scurvy,
   shabby, shoddy, skimpy, small, small-beer, small-time, sparse,
   squalid, stingy, tabetic, tabid, tinhorn, trifling, trivial,
   tubercular, tuberculous, tumorigenic, tumorous, two-bit,
   two-by-four, unmentionable, vile, wretched