Source : Webster's Revised Unabridged Dictionary (1913)

Stab \Stab\, v. t. [imp. & p. p. {Stabbed}; 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.

   2. Fig.: To injure secretly or by malicious falsehood or
      slander; as, to stab a person's reputation.

Source : WordNet®

stabbing
     adj 1: causing physical or especially psychological injury; "a
            stabbing remark"; "few experiences are more traumatic
            than losing a child"; "wounding and false charges of
            disloyalty" [syn: {traumatic}, {wounding}]
     2: as physically 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}, {lancinate}, {lancinating}]

stab
     n 1: a sudden sharp feeling; "pangs of regret"; "she felt a stab
          of excitement"; "twinges of conscience" [syn: {pang}, {twinge}]
     2: a thrusting blow with a knife or other sharp pointed
        instrument; "one strong stab to the heart killed him"
        [syn: {thrust}, {knife thrust}]
     3: informal words for any attempt or effort; "he gave it his
        best shot"; "he took a stab at forecasting" [syn: {shot}]
     [also: {stabbing}, {stabbed}]

stab
     v 1: use a knife on; "The victim was knifed to death" [syn: {knife}]
     2: stab or pierce; "he jabbed the piece of meat with his pocket
        knife" [syn: {jab}]
     3: poke or thrust abruptly; "he jabbed his finger into her
        ribs" [syn: {jab}, {prod}, {poke}, {dig}]
     [also: {stabbing}, {stabbed}]

stabbing
     See {stab}