: of, relating to, or characteristic of autumn
autumnal weather
autumnal colors
the autumnal equinox
I am often surprised to see rising amid these trees the rounded tops of apple-trees glowing with red or yellow fruit, in harmony with the autumnal tints of the forest.Henry David Thoreau
autumnally adverb
These days on the verge of winter were autumnally fair, struck through with warmth until the swift lengthening of the shadows. John Updike

Examples of autumnal in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Qiy Knee-High Riding Boots Another autumnal classic, knee-high riding boots are one of my mom’s go-to styles. Isabel Bekele, InStyle, 5 Aug. 2026 There’s also a creepy carnival, which is my favorite autumnal micro-trope (everyone say thank you, Ray Bradbury). Hannah Whitten, PEOPLE, 4 Aug. 2026 Featuring various pumpkin-forward combinations and other decadent fall flavors, these autumnal treats are perfect for this time of year. Molly Burford, Southern Living, 3 Aug. 2026 The same goes for Blackberry & Bay (as in, bay leaves), lending to a more autumnal fruity scent. Conçetta Ciarlo, Vogue, 31 July 2026 See All Example Sentences for autumnal

Word History

Etymology

borrowed from Latin autumnālis, from autumnus autumn + -ālis -al entry 1

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of autumnal was in the 15th century

Browse Nearby Words

Cite this Entry

“Autumnal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autumnal. Accessed 11 Aug. 2026.

More from Merriam-Webster on autumnal

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!