autumnal

/ɔˈtʌmnəl/

/ɔˈtʌmnəl/

Other forms: autumnally

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 the fall
   “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

   antonyms:

   vernal

   of or characteristic of or occurring in spring

   summery

   belonging to or characteristic of or occurring in summer

   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

   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
2. adjective

   characteristic of late maturity verging on decline
   “a serene autumnal mood”

   synonyms:

   mature

   characteristic of maturity