"wintrier" in the adjective sense
1. wintry, wintery
characteristic of or occurring in winter
"suffered severe wintry weather"
"brown wintry grasses"
2. frigid, frosty, frozen, glacial, icy, wintry
devoid of warmth and cordiality expressive of unfriendliness or disdain
"a frigid greeting"
"got a frosty reception"
"a frozen look on their faces"
"a glacial handshake"
"icy stare"
"wintry smile"
Source: WordNet® (An amazing lexical database of English)
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