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"chilly" is also used as a crossword clue. If that's what you saw, the answer is often nippy (5 letters).
Definitions
not characterized by emotion
Word origin
From chill + -y. Cognate with Swedish kylig (“chilly”), Norwegian kjølig (“chilly”).
Used in a sentence
“[…] The Aſparagus grew; but in three or four Years complained, by coming up ſmall; occaſioned by the chilly Effluvia, that proceeded from the Water lodg'd at the bottom of the Pit; […]”
“There was an earthy savour in the air, a chilly bareness in the place, which associated itself somehow with too much getting up by candle-light, and not too much to eat.”
“Nothing like a slock of cake on a chilly evening, is there?”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Uncomfortably cold”6 letters
02“Cold”6 letters
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