pron.
nothing.
exclam.
- expressing denial or refusal.
- Brit. dated used as a warning that a person in authority is approaching.
[perh. from the obs. phr. keep nix ‘to watch, guard’.]
v.
chiefly N. Amer. put an end to; cancel:
he nixed the deal.
Etymology
C18: from Ger., colloq. var. of nichts ‘nothing’.