stiletto UK /stɪˈlɛtəʊ/US /stɪˈlɛtoʊ/noun 5verb 1forms 5 noun5 •A small, slender knife or dagger-like weapon intended for stabbing. •A woman's shoe with a tall, slender heel (called a stiletto heel). •A rapier. •An awl. •(no longer used, historical) A beard trimmed into a pointed form.The very quaik of fashions, the very hee that / VVeares a Steletto on his chinne. — 1635 verb1 •To attack or kill with a stiletto (dagger). formsstilettoed · stilettoing · stilettos · stiletti · stilettoes