The Collaborative International Dictionary of English v.0.48:

Stunt \Stunt\, v. t. [imp. & p. p. Stunted; p. pr. & vb. n.
   Stunting.] [See Stint.]
   To hinder from growing to the natural size; to prevent the
   growth of; to stint, to dwarf; as, to stunt a child; to stunt
   a plant.
   [1913 Webster]

         When, by a cold penury, I blast the abilities of a
         nation, and stunt the growth of its active energies,
         the ill or may do is beyond all calculation. --Burke.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Stunted \Stunt"ed\, a.
   Dwarfed. -- Stunt"ed*ness, n.
   [1913 Webster]

WordNet (r) 3.0 (2006):

stunted
    adj 1: inferior in size or quality; "scrawny cattle"; "scrubby
           cut-over pine"; "old stunted thorn trees" [syn:
           scrawny, scrubby, stunted]

Moby Thesaurus II by Grady Ward, 1.0:

105 Moby Thesaurus words for "stunted":
   Lenten, Lilliputian, Spartan, Tom Thumb, abstemious, arrested,
   ascetic, austere, backward, coarse, crude, diminutive, dumpy,
   dwarf, dwarfed, dwarfish, elfin, embryonic, exiguous, frugal,
   impoverished, in embryo, in ovo, in the rough, incipient, jejune,
   lean, limited, little, meager, mean, midget, miserly, nanoid,
   narrow, niggardly, oversimple, paltry, parsimonious, poor, puny,
   pygmy, reductionistic, reductive, rough, roughcast, roughhewn,
   rude, rudimental, rudimentary, runty, scant, scanty, scraggy,
   scrawny, scrimp, scrimpy, scrubby, shriveled, shrunk, shrunken,
   simplistic, skimp, skimpy, slender, slight, slim, small, spare,
   sparing, squat, starvation, stingy, stinted, straitened, stunt,
   subsistence, thin, tiny, unblown, uncultivated, uncultured, uncut,
   underdeveloped, undersize, undersized, undeveloped, unfashioned,
   unfinished, unformed, unhewn, unlabored, unlicked, unnourishing,
   unnutritious, unpolished, unprocessed, unrefined, untreated,
   unworked, unwrought, watered, watery, wee, wizened