nippy

[ nip-ee ]

/ ˈnɪp i /

chilly or cold: morning air that feels a bit nippy.

sharp or biting; tangy: This cheese has a good, nippy taste.

Chiefly British Informal. nimble; agile.

Origin of nippy

First recorded in 1565–75; nip¹ + -y¹

But Nippy would keep on doing it until everything was gone.

Speed Read: Juiciest Bits From Cissy Houston’s ‘Remembering Whitney’ |Melissa Leon |January 31, 2013 |DAILY BEAST
They carry the mail over vast, snowy wildernesses, and even sometimes to Dawson, when the air is not too nippy.

The Bungalow Boys North of Fifty-Three |Dexter J. Forrester
Then, as the air was nippy with frost, Miss Brazilla hurried indoors again.

Rilla of the Lighthouse |Grace May North
Right in front of him was Nippy, worrying the wriggling tail with her sharp teeth like a little terrier.

Wild Folk |Samuel Scoville

Efter a while I felt a bit sleepy; 'twere t' nippy air, an' mebbe t' seet o' t' fallin' watter dazed my een.

More Tales of the Ridings |Frederic Moorman
Little "Nippy," my beloved fox terrier, and constant companion, rushed into the laboratory and ran up to me.

The Bell Tone |Edmund H. Leftwich

nippy

/ (ˈnɪpɪ) /

(of weather) chilly, keen, or frosty

British informal

(of the taste of food) biting, sharp, or pungent

(of a dog) inclined to bite

nippily, adverb nippiness, noun