- killer⇄adj. 1. having no equal; unrivaled; overwhelming.
Ex. While some publishers search for a killer mass-market product ... others take smaller steps (Rolling Stone).
2. killing; lethal; devastating.
Ex. Her [the writer's] smartest move ha - killer⇄killer, noun, adjective.
- killer⇄noun 1. a person, animal, or thing that kills.
2. a criminal who recklessly or wantonly kills.
(SYN) butcher.
3. killer whale.