I. ˈniks noun
( -es )
Etymology: German, from Old High German nihhus — more at nicker
: a supernatural creature originally in Germanic folklore and conceived of in many forms but usually as having the form of a woman or as half human and half fish, dwelling in fresh water usually in a beautiful palace, and usually unfriendly to man
haunting, penetrating, pining as voice of nix or siren — Walter de la Mare
— called also nixie
II. noun
( -es )
Etymology: German nichts nothing, from Middle High German nihtes, gen. of niht nothing, from Old High German niwiht, neowiht — more at naught
1. slang : nothing : no one
what a man means to say signifies nix in politics — Emporia (Kans.) Gazette
2. : nixie II
III. adverb
slang : no — used to express disagreement or the withholding of permission
if I were to say nix on the books he'd be miserable — Everybody's Magazine
IV. transitive verb
( -ed/-ing/-es )
slang : veto , forbid , prohibit , ban , reject , cancel
nixed a request for a $2500 business loan — Carl Sifakis
tried to nix the idea of a lie-detector test — Barbara Graham