autumnal
adjective
au·tum·nal
ȯ-ˈtəm-nəl 
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
John Updike
Examples of autumnal in a Sentence
Recent Examples on the Web
The Earth's axis is tilted neither toward nor away from the sun on Friday, one of only two days of the year (the other being September's autumnal equinox).
—Janet Loehrke, USA Today, 15 Mar. 2026
Despite this summer-like weather in mid-March, the orange-red trees on the Oscars carpet make the space look autumnal.
—Daniel Arkin, NBC news, 15 Mar. 2026
All parts of Earth experience equal amounts of sunlight and radiation on both vernal and autumnal equinox days.
—Mike Lynch, Twin Cities, 15 Mar. 2026
In late September and October, the Hudson Valley and Adirondacks erupt into a kaleidoscope of autumnal colors—red, orange, and gold—especially along the stretches that hug the river and Lake Champlain.
—Lauren Dana Ellman, Travel + Leisure, 8 Mar. 2026
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Janet Loehrke, USA Today, 15 Mar. 2026
Despite this summer-like weather in mid-March, the orange-red trees on the Oscars carpet make the space look autumnal.
—Daniel Arkin, NBC news, 15 Mar. 2026
All parts of Earth experience equal amounts of sunlight and radiation on both vernal and autumnal equinox days.
—Mike Lynch, Twin Cities, 15 Mar. 2026
In late September and October, the Hudson Valley and Adirondacks erupt into a kaleidoscope of autumnal colors—red, orange, and gold—especially along the stretches that hug the river and Lake Champlain.
—Lauren Dana Ellman, Travel + Leisure, 8 Mar. 2026
See All Example Sentences for autumnal
Cite this Entry
“Autumnal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autumnal. Accessed 21 Mar. 2026.
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