The definition of a nix is a part human water spirit in German mythology.(noun)
An example of a nix is a mermaid.
Nix is defined as to stop, refuse or disapprove of.(verb)
An example of nix is the president ending a welfare program.
See nix in Webster's New World College Dictionary
Origin: Ger nix, masc., nixe, fem. < OHG nihhus, sea beast, nicchussa, water sprite, akin to OE nicor, ON nykr, water sprite < Gmc *nik-, *nikwus-, water spirit < IE base *neigw-, to wash > Sans nḗnēkti, (he) washes
Origin: Ger nichts
See nix in American Heritage Dictionary 4
Origin: , from Middle High German nickes
Origin: , from Old High German nihhus.
Origin: German dialectal
Origin: , from Middle High German nihtes
Origin: , genitive of niht
Origin: , from Old High German niwiht
Origin: : ni, not, no; see ne in Indo-European roots
Origin: + wiht, thing; see wekti- in Indo-European roots.
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