frosty vs wintry

frosty and wintry both are adjectives.

Word	Noun	Adjective	Verb	Adverb
frosty	No	Yes	No	No
wintry	No	Yes	No	No

As adjectives, frosty and wintry are synonyms defined as:

frosty and wintry: devoid of warmth and cordiality; expressive of unfriendliness or disdain

Other synonyms of frosty include frigid, frozen, glacial, icy.

frosty (adjective)	wintry (adjective)
devoid of warmth and cordiality; expressive of unfriendliness or disdain	characteristic of or occurring in winter
pleasantly cold and invigorating	devoid of warmth and cordiality; expressive of unfriendliness or disdain
covered with frost