killer

Pronunciation: /ˈkɪlə/

The English word “killer” has 12 meanings listed here.

noun

One who or that which kills.
That which causes stress or is extremely difficult, especially that which may cause failure at a task.
Something that is so far ahead of its competition that it effectively kills off that competition.
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”).

From Middle English killer, kyller. By surface analysis, kill + -er.

Keep exploring: in the interactive dictionary every word of a definition is a link. Open “killer” there

The English dictionary on Glottosphere has 650,529 entries with a page. Browse the English dictionary.

Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.