Adjective vernal has 2 senses
- youthful, vernal - suggestive of youth; vigorous and fresh
Antonym: old (indirect, via young)
- vernal - of or characteristic of or occurring in spring; "the vernal equinox"
Antonyms: summery, aestival, estival, autumnal, wintry, wintery, brumal, hibernal, hiemal
,