Killer Definition

kĭlər
killers
noun
killers
A person, animal, or thing that kills, esp. one that kills habitually or wantonly.
Webster's New World
Webster's New World
Something devastating, difficult, hard to cope with, etc.
Webster's New World
An extremely successful, impressive, exciting, etc. person or thing.
Webster's New World
adjective
That kills or has the potential for killing.
A killer storm.
Webster's New World
Causing death or destruction.
Killer floods.
American Heritage
Very difficult, hard to cope with, etc.
Webster's New World
Successful, impressive, exciting, etc.
Webster's New World
Extremely useful or indispensible.
A killer web application.
American Heritage

Other Word Forms of Killer

Noun

Singular:
killer
Plural:
killers

Origin of Killer

  • kill + -er.

    From Wiktionary

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killer