Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “killer”

killer

noun (DEATH)    /ˈkɪl.ər/ US  //
B1 [C] someone who kills another person : Police are still hoping to find the dead woman's killer.Murderers and attackers [C] something that kills people , especially a disease or other illness : Cancer and heart disease are the UK's biggest killers.KillingMurder and attempted murder [C] something that destroys something: This chemical is found in most weedkillers .Destroying and demolishingDamaging and spoiling killer     adjective [before noun] a killer disease killer bees Informal words for goodGood, better and bestQuite good, or not very good
(Definition of killer noun (DEATH) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of killer

Definitions of “killer” in other dictionaries

Word of the Day

cookery

the skill or activity of preparing and cooking food

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More