1. [adj]  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"
2. [adj]  causing physical or especially psychological injury; "a stabbing remark"; "few experiences are more traumatic than losing a child"; "wounding and false charges of disloyalty"

STABBING is a 8 letter word that starts with S.