Stab \Stab\, v. i. 1. To give a wound with a pointed weapon; to pierce; to thrust with a pointed weapon. None shall dare With shortened sword to stab in closer war. --Dryden. 2. To wound or pain, as if with a pointed weapon. She speaks poniards, and every word stabs. --Shak. {To stab at}, to offer or threaten to stab; to thrust a pointed weapon at.