The Collaborative International Dictionary of English v.0.48:

Scanty \Scant"y\, a. [Compar. Scantier; superl. Scantiest.]
   [From Scant, a.]
   1. Lacking amplitude or extent; narrow; small; not abundant.
      [1913 Webster]

            His dominions were very narrow and scanty. --Locke.
      [1913 Webster]

            Now scantier limits the proud arch confine. --Pope.
      [1913 Webster]

   2. Somewhat less than is needed; insufficient; scant; as, a
      scanty supply of words; a scanty supply of bread.
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   3. Sparing; niggardly; parsimonious.
      [1913 Webster]

            In illustrating a point of difficulty, be not too
            scanty of words.                      --I. Watts.
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   Syn: Scant; narrow; small; poor; deficient; meager; scarce;
        chary; sparing; parsimonious; penurious; niggardly;
        grudging.
        [1913 Webster]

WordNet (r) 3.0 (2006):

scanty
    adj 1: lacking in amplitude or quantity; "a bare livelihood"; "a
           scanty harvest"; "a spare diet" [syn: bare(a),
           scanty, spare]
    n 1: short underpants for women or children (usually used in the
         plural) [syn: pantie, panty, scanty, step-in]

Moby Thesaurus II by Grady Ward, 1.0:

118 Moby Thesaurus words for "scanty":
   Lenten, Spartan, abstemious, angustifoliate, angustirostrate,
   angustisellate, angustiseptal, arrested, ascetic, at a premium,
   austere, barely sufficient, callow, cheeseparing, chinchy, chintzy,
   circumscribed, close, close-fitting, confined, constricted, cramp,
   cramped, crowded, defective, deficient, dwarfed, dwarfish,
   embryonic, exiguous, failing, frugal, hypoplastic, immature,
   impoverished, in arrear, in arrears, in default, in short supply,
   inadequate, incapacious, incommodious, incomplete, infant,
   infrequent, insufficient, isthmian, isthmic, jejune, lacking, lean,
   limited, little, meager, mean, measly, minimal, miserly, missing,
   narrow, near, needing, niggardly, out of print, out of season,
   out of stock, paltry, parsimonious, part, partial, patchy,
   piddling, poor, puny, rare, restricted, scant, scarce, scattered,
   scrappy, scrawny, scrimp, scrimping, scrimpy, seldom met with,
   seldom seen, short, shy, sketchy, skimp, skimping, skimpy, slender,
   slight, slim, small, spare, sparing, sparse, spotty, sprinkled,
   starvation, stingy, stinted, strait, straitened, stunted,
   subsistence, thin, tight, uncommon, underdeveloped, undeveloped,
   unnourishing, unnutritious, wanting, watered, watery