Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1958, from over- + kill (v.). Originally in reference to nuclear arsenals; the general sense is from 1965. The verb is attested from 1946.

MORE RELATED WORDS FOR OVERKILL

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.