autumnal

Anything autumnal has to do with autumn: the fall season. Pumpkins are a popular autumnal food.

This word has to do with anything related to or associated with autumn. Sweater weather is autumnal. Pumpkin spice tea is autumnal. Leaves changing colors are autumnal. Halloween is an autumnal holiday. If you feel a chill in the air in August, you could say that's a sign of autumnal weather coming. Because of the mild weather, many people enjoy autumnal weather more than any other season's weather.

Definitions of autumnal
  1. adjective
    of or characteristic of or occurring in autumn
    “the autumnal equinox”
    autumnal fruits”
    Synonyms:
    autumn-blooming, autumn-flowering, fall-blooming, fall-flowering, late-blooming, late-flowering
    of plants that bloom during the autumn
    late-ripening
    of plants that ripen in the fall
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    Antonyms:
    vernal
    of or characteristic of or occurring in spring
    summery
    belonging to or characteristic of or occurring in summer
    wintery, wintry
    characteristic of or occurring in winter
    early-blooming, early-flowering, late-spring-blooming, spring-blooming, spring-flowering
    of plants that bloom during the spring
    aestival, estival
    (rare) of or occurring in summer
    summer-blooming, summer-flowering
    of plants that bloom during the summer
    brumal, hibernal, hiemal
    characteristic of or relating to winter
    winter-blooming, winter-flowering
    of plants that bloom during the winter
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  2. adjective
    characteristic of late maturity verging on decline
    “a serene autumnal mood”
    Synonyms:
    mature
    characteristic of maturity
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