Antonyms of adj wintry

2 senses of wintry

Sense 1
wintry (vs. vernal) (vs. summery) (vs. autumnal), wintery -- (characteristic of or occurring in winter; "suffered severe wintry weather"; "brown wintry grasses")

vernal (vs. summery) (vs. autumnal) (vs. wintry) -- (of or characteristic of or occurring in spring; "the vernal equinox")
        => spring-flowering, early-flowering, spring-blooming, early-blooming, late-spring-blooming -- (of plants that bloom during the spring)
summery (vs. autumnal) (vs. wintry) (vs. vernal) -- (belonging to or characteristic of or occurring in summer; "summery weather"; "summery dresses")
        => aestival, estival -- ((rare) of or occurring in summer; "the sky was a burnished aestival blue"; "estival winds")
        => summer-flowering, summer-blooming -- (of plants that bloom during the summer)
autumnal (vs. wintry) (vs. vernal) (vs. summery) -- (of or characteristic of or occurring in autumn; "the autumnal equinox"; "autumnal fruits")
        => autumn-flowering, autumn-blooming, fall-flowering, fall-blooming, late-flowering, late-blooming -- (of plants that bloom during the autumn)
        => late-ripening -- (of plants that ripen in the fall)

Sense 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")

INDIRECT (VIA cold) -> hot -- (extended meanings; especially of psychological heat; marked by intensity or vehemence especially of passion or enthusiasm; "a hot temper"; "a hot topic"; "a hot new book"; "a hot love affair"; "a hot argument")

Similarity of adj wintry

2 senses of wintry

Sense 1
wintry (vs. vernal) (vs. summery) (vs. autumnal), wintery -- (characteristic of or occurring in winter; "suffered severe wintry weather"; "brown wintry grasses")
       => brumal, hibernal, hiemal -- (characteristic of or relating to winter; "bears in brumal sleep")
       => winter-blooming, winter-flowering -- (of plants that bloom during the winter)

Sense 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")
       => cold (vs. hot) -- (extended meanings; especially of psychological coldness; without human warmth or emotion; "a cold unfriendly nod"; "a cold and unaffectionate person"; "a cold impersonal manner"; "cold logic"; "the concert left me cold")