[syn: cutting, keen, knifelike, piercing, stabbing, lancinate, lancinating]
The Collaborative International Dictionary of English v.0.48:
Stab \Stab\ (st[a^]b), v. t. [imp. & p. p. Stabbed (st[a^]bd);
   p. pr. & vb. n. Stabbing.] [Cf. OD. staven to fix, fasten,
   fr. stave, staff, a staff, rod; akin to G. stab a staff,
   stick, E. staff; also Gael. stob to stab, as n., a stake, a
   stub. Cf. Staff.]
   1. To pierce with a pointed weapon; to wound or kill by the
      thrust of a pointed instrument; as, to stab a man with a
      dagger; also, to thrust; as, to stab a dagger into a
      person.
      [1913 Webster]
   2. Fig.: To injure secretly or by malicious falsehood or
      slander; as, to stab a person's reputation.
      [1913 Webster]
WordNet (r) 3.0 (2006):
stabbing
    adj 1: causing physical or especially psychological injury; "a
           stabbing remark"; "wounding and false charges of
           disloyalty" [syn: stabbing, wounding]
    2: painful as if caused by a sharp instrument; "a cutting wind";
       "keen winds"; "knifelike cold"; "piercing knifelike pains";
       "piercing cold"; "piercing criticism"; "a stabbing pain";
       "lancinating pain" [syn: cutting, keen, knifelike,
       piercing, stabbing, lancinate, lancinating]
Moby Thesaurus II by Grady Ward, 1.0:
76 Moby Thesaurus words for "stabbing":
   acerb, acerbate, acerbic, acid, acidic, acidulent, acidulous,
   acrid, acrimonious, acute, afflictive, agonizing, astringent,
   atrocious, bayonetting, biting, bitter, brisk, caustic, corroding,
   corrosive, cramping, cruel, cutting, distressing, double-edged,
   edged, escharotic, excruciating, fierce, gnawing, grave, griping,
   hard, harrowing, harsh, hurtful, hurting, impalement, incisive,
   keen, knifelike, knifing, mordacious, mordant, painful, paroxysmal,
   penetrating, piercing, poignant, pungent, racking, rigorous, rough,
   scathing, scorching, severe, sharp, shooting, spasmatic, spasmic,
   spasmodic, stinging, strident, stringent, tart, the sword,
   tormenting, torturous, transfixion, trenchant, vehement, violent,
   virulent, vitriolic, withering