Stab (stăb), v. t. [imp. & p. p.Stabbed (stăbd); 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.