[1] : The Collaborative International Dictionary of English v.0.48

flaw \flaw\, v. t. imp.  p. p. flawed; p. pr.  vb. n.
   flawing.
   1. to crack; to make flaws in.
      1913 webster

            the brazen caldrons with the frosts are flawed.
                                                  --dryden.
      1913 webster

   2. to break; to violate; to make of no effect. obs.
      1913 webster

            france hath flawed the league.        --shak.
      1913 webster
see also:
flawed flawing 

[2] : The Collaborative International Dictionary of English v.0.48

flaw \flaw\ fladd, n. oe. flai, flaw flake; cf. sw. flaga
   flaw, crack, breach, flake, d. vlaag gust of wind, norw.
   flage, flaag, and e. flag a flat stone.
   1. a crack or breach; a gap or fissure; a defect of
      continuity or cohesion; as, a flaw in a knife or a vase.
      1913 webster

            this heart
            shall break into a hundered thousand flaws. --shak.
      1913 webster

   2. a defect; a fault; as, a flaw in reputation; a flaw in a
      will, in a deed, or in a statute.
      1913 webster

            has not this also its flaws and its dark side?
                                                  --south.
      1913 webster

   3. a sudden burst of noise and disorder; a tumult; uproar; a
      quarrel. obs.
      1913 webster

            and deluges of armies from the town
            came pouring in; i heard the mighty flaw. --dryden.
      1913 webster

   4. a sudden burst or gust of wind of short duration.
      1913 webster

            snow, and hail, and stormy gust and flaw. --milton.
      1913 webster

            like flaws in summer laying lusty corn. --tennyson.

   syn: blemish; fault; imperfection; spot; speck.
        1913 webster

[3] : WordNet (r) 2.0

flaw
     n 1: an imperfection in a device or machine; "if there are any
          defects you should send it back to the manufacturer"
          syn: defect, fault
     2: defect or weakness in a person's character; "he had his
        flaws, but he was great nonetheless"
     v : add a flaw or blemish to; make imperfect or defective syn:
         blemish
see also:
defect fault blemish 

[4] : Moby Thesaurus II by Grady Ward, 1.0

217 moby thesaurus words for "flaw":
   aberrancy, aberration, abysm, abyss, arroyo, bad habit,
   besetting sin, birthmark, black mark, blackhead, blast, bleb,
   blemish, blister, blot, blow, box canyon, breach, break, bug,
   bulla, canyon, catch, cavity, chap, chasm, check, chimney, chink,
   chip, cicatrix, cicatrize, cleavage, cleft, cleuch, clough, col,
   comedo, coulee, couloir, crack, cranny, crater, craze, crevasse,
   crevice, cut, cwm, damage, deface, defacement, defect, defection,
   defectiveness, deficiency, defile, deform, deformation, deformity,
   dell, delusion, deviancy, dike, discredit, disfiguration,
   disfigure, disfigurement, distort, distortion, ditch, donga, draw,
   drawback, errancy, erroneousness, error, excavation, failing,
   failure, fallaciousness, fallacy, falseness, falsity, fault,
   faultiness, faute, fissure, flawedness, flume, flurry, foible,
   fracture, frailty, freckle, furrow, gap, gape, gash, gorge, groove,
   gulch, gulf, gully, gust, hamartia, harm, hemangioma, heresy,
   heterodoxy, hickey, hole, hurt, illusion, imperfection, inadequacy,
   incision, infirmity, joint, keloid, kink, kloof, leak, lentigo,
   little problem, loophole, mar, mark, milium, misapplication,
   misconstruction, misdoing, misfeasance, misinterpretation,
   misjudgment, mistake, moat, mole, moral flaw, needle scar, nevus,
   notch, nullah, opening, pass, passage, peccancy, perforation,
   perversion, pimple, pit, pock, pockmark, port-wine mark,
   port-wine stain, problem, puncture, pustule, ravine, rent, rift,
   rime, rip, ruin, rupture, scab, scar, scarify, scissure, scratch,
   scud, seam, sebaceous cyst, self-contradiction, shortcoming, sin,
   sinfulness, slit, slot, snag, something missing, split, spoil,
   stain, stigmatize, strawberry mark, sty, taint, tear, track,
   trench, twist, unorthodoxy, untrueness, untruth, untruthfulness,
   valley, verruca, vesicle, vice, void, vulnerable place, wadi, wale,
   warp, wart, weak link, weak point, weak side, weaken, weakness,
   weal, welt, wen, whitehead, wind gust, wrong, wrongness

Flaw >> F Words
Flaw, definition of term: Flaw
flaw_pag1.html

Tragic Flaw >> T Words
Tragic Flaw, definition of term: Tragic Flaw
tragic+flaw_pag1.html