autumn

noun

au·​tumn ˈȯ-təm How to pronounce autumn (audio)
1
: the season between summer and winter comprising in the northern hemisphere usually the months of September, October, and November or as reckoned astronomically extending from the September equinox to the December solstice

called also fall

2
: a period of maturity or incipient decline
in the autumn of life

Examples of autumn in a Sentence

in the autumn of last year a magnificent New England autumn She went off to college in the autumn of 1999. When autumn came he planted grass.
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.
Anyway, that day won’t dawn this autumn as there is a port on the forthcoming iPhone 17 Air. David Phelan, Forbes, 19 Mar. 2025 City, imperious under Pep Guardiola for so long, imploded in the autumn and on Christmas Day, sat seventh. Chris Weatherspoon, The Athletic, 19 Mar. 2025 For example, Silver Lake rebuffed Endeavor management’s suggestion that $31.50 would be a fair price, according to a disclosure of the negotiations made in a Securities & Exchange Commission document last autumn. Brendan Coffey, Sportico.com, 12 Mar. 2025 Warm soil temperatures combined with regular moisture and moderate temperatures in autumn are an excellent combination for strong root growth, which leads to vibrant green top growth in spring. Megan Hughes, Better Homes & Gardens, 11 Mar. 2025 See All Example Sentences for autumn

Word History

Etymology

Middle English autumpne, borrowed from Anglo-French autompne, borrowed from Latin autumnus (also an adjective, "autumnal"), perhaps a borrowing from Etruscan

Note: Ernout and Meillet (Dictionaire étymologique de la langue latine) regard an Etruscan origin as definite ("sans doute") and compare the form to Vertumnus/Vortumnus, claimed by Varro to be an Etruscan god. (The Romans regarded Vertumnus as a god of the changing seasons, by association with the verb vertere "to turn.")

First Known Use

15th century, in the meaning defined at sense 1

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

Cite this Entry

“Autumn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autumn. Accessed 24 Mar. 2025.

Kids Definition

autumn

noun
au·​tumn ˈȯt-əm How to pronounce autumn (audio)
1
: the season between summer and winter including in the northern hemisphere usually the months of September, October, and November

called also fall

2
: a time late in an existence
in the autumn of life
autumnal adjective

More from Merriam-Webster on autumn

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