Adjective

(er)

(informal) Of the weather, rather cold.

Gosh, it's a bit nippy today: I'd better wear my gloves.

(informal) fast; speedy

* Melanie Allen, Customer Relations Management (page 6)

A Rolls Royce will not do if you need an economical, nippy car that is easy to park.

Adjective

(en adjective)

In the state of that which freezes; in ice form.

*{{quote-magazine, date=2013-07-26, author= Nick Miroff

, volume=189, issue=7, page=32, magazine=(The Guardian Weekly) , title= Mexico gets a taste for eating insects […] , passage=The San Juan market is Mexico City's most famous deli of exotic meats, where an adventurous shopper can hunt down hard-to-find critters […]. But the priciest items in the market aren't the armadillo steaks or even the bluefin tuna. That would be the frozen chicatanas – giant winged ants – at around $500 a kilo.}}

Immobilized.

(label) In a state such that transactions are not allowed.