killer Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "killer" - English Dictionary

See all translations

killernoun

uk   /ˈkɪl.ər/  us   //

killer noun (DEATH)

B1 [C] someone who kills another person: Police are still hoping to find the dead woman's killer. [C] something that kills people, especially a disease or other illness: Cancer and heart disease are the UK's biggest killers. [C] something that destroys something: This chemical is found in most weedkillers.
More examples

killer noun (EFFORT)

[S] informal something that is very difficult: The last question was a real killer.

killer noun (AMUSEMENT)

[C] US and Australian English informal a very entertaining or skilful person, story, or performance: Dizzy was a real killer on the trumpet.
killer
adjective [before noun] uk   us  
a killer disease killer bees
(Definition of killer from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of killer?
Add Cambridge dictionaries to your browser to your website

Definitions of “killer” in other dictionaries

Word of the Day
social security

a system of payments made by the government to people who are ill, poor, or who have no job

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More