Adjective hibernal has 1 sense
- brumal, hibernal, hiemal - characteristic of or relating to winter; "bears in brumal sleep"
Antonym: vernal (indirect, via summery, autumnal, wintry)
Antonym: summery (indirect, via autumnal, wintry, vernal)
Antonym: autumnal (indirect, via wintry, vernal, summery)
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