adjective
(UK, informal) Fast; speedy.
(informal, weather) Rather cold.
Inclined to nip; bitey.
(Scotland, informal) Annoying; irritating.
(Scotland) Sharp in taste.
(Scotland) Spicy tasting.
(Scotland) Curt.
(Scotland) Parsimonious.
noun
(UK, historical) Alternative letter-case form of Nippy.