The Collaborative International Dictionary of English v.0.48:

Scorch \Scorch\ (sk[^o]rch), v. t. [imp. & p. p. Scorched; p.
   pr. & vb. n. Scorching.] [OE. scorchen, probably akin to
   scorcnen; cf. Norw. skrokken shrunk up, skrekka, skr["o]kka,
   to shrink, to become wrinkled up, dial. Sw. skr[*a]kkla to
   wrinkle (see Shrug); but perhaps influenced by OF.
   escorchier to strip the bark from, to flay, to skin, F.
   ['e]corcher, LL. excorticare; L. ex from + cortex, -icis,
   bark (cf. Cork); because the skin falls off when scorched.]
   1. To burn superficially; to parch, or shrivel, the surface
      of, by heat; to subject to so much heat as changes color
      and texture without consuming; as, to scorch linen.
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            Summer drouth or sing[`e]d air
            Never scorch thy tresses fair.        --Milton.
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   2. To affect painfully with heat, or as with heat; to dry up
      with heat; to affect as by heat.
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            Lashed by mad rage, and scorched by brutal fires.
                                                  --Prior.
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   3. To burn; to destroy by, or as by, fire.
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            Power was given unto him to scorch men with fire.
                                                  --Rev. xvi. 8.
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            The fire that scorches me to death.   --Dryden.
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WordNet (r) 3.0 (2006):

scorched
    adj 1: dried out by heat or excessive exposure to sunlight; "a
           vast desert all adust"; "land lying baked in the heat";
           "parched soil"; "the earth was scorched and bare";
           "sunbaked salt flats" [syn: adust, baked, parched,
           scorched, sunbaked]
    2: having everything destroyed so nothing is left salvageable by
       an enemy; "Sherman's scorched earth policy"

Moby Thesaurus II by Grady Ward, 1.0:

75 Moby Thesaurus words for "scorched":
   adust, aggravated, ashen, ashy, baked, blistered, broken, burned,
   burnt, burnt-up, burst, busted, checked, chipped, consumed,
   consumed by fire, corky, cracked, crazed, cut, damaged, dehydrated,
   desiccated, deteriorated, dried, dried-up, embittered, evaporated,
   exacerbated, exsiccated, gutted, harmed, hurt, impaired, imperfect,
   in bits, in pieces, in shards, incinerated, injured, irritated,
   lacerated, mangled, mummified, mutilated, parched, pyrographic,
   pyrolyzed, rent, ruptured, scalded, sear, seared, sere, shattered,
   shriveled, singed, slashed, slit, smashed, split, sprung,
   sun-dried, sunbaked, sunburned, the worse for, torn, weakened,
   weazened, wind-dried, withered, wizened, worse, worse off,
   worsened