killer.
One who or that which kills.
Meaning & usage
One who or that which kills.
There’s a killer on the loose.
My cat is a habitual bird killer.
That which causes stress or is extremely difficult, especially that which may cause failure at a task.
That test was a killer.
The final hill in the race course was a killer.
Something that is so far ahead of its competition that it effectively kills off that competition.
Digital streaming platforms are CD killers.
The killer whale.
A remarkably impressive person or thing.
A knockout form of darts or pool involving several players.
A club used for killing fish.
A particularly heavy type of handstamp, or portion of one, often obscuring a large part of the postage stamp.
Synonym of virama (“kind of diacritical mark”).
Where this word comes from
From Middle English killer, kyller. By surface analysis, kill + -er.
Excellent, very good, cool.
killer feature
killer view
Causing death, destruction, or obliteration.
killer bee
killer robot
Distressing, uncomfortable.
I had a killer headache this morning.
Where this word comes from
From Middle English killer, kyller. By surface analysis, kill + -er.
Try it on your idea.
killer has 6 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
These are naming prompts. Meanings and pronunciation can vary; existing brand and domain uses have not been checked.
Explore the name generatorA word with a source.
Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.