au·​tumn | \ ˈȯ-təm How to pronounce autumn (audio) \

Definition of autumn

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

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Other Words from autumn

autumnal \ ȯ-​ˈtəm-​nəl How to pronounce autumnal (audio) \ adjective
autumnally \ -​nə-​lē How to pronounce autumnally (audio) \ adverb

Synonyms & Antonyms for autumn


afterlife, afternoon, age, evening



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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.
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Recent Examples on the Web

The bluebells arrive, like an iridescent blue carpet below, spreading along hedgerows, suddenly swamping forests and copses, emerging out of the rotten, sodden leaves of last autumn. Andrew Sullivan, Daily Intelligencer, "Will There Always Be an England?," 27 Apr. 2018 Equinoxes occur twice a year, in March and September, to mark the onset of spring and autumn. Jennifer Earl, Fox News, "First day of spring arrives: 5 things to know about the vernal equinox," 20 Mar. 2018 By comparison, in Denver or Santa Fe, the air can often be downright balmy on this, the first day of autumn. Daniel Otis, Sunset, "Awe-Inspiring Canadian Rockies Camping Adventure," 22 Jan. 2018 Both drinks are beautiful in their own right and capture the flavors of autumn with apple bases. Suzannah Weiss, Teen Vogue, "Starbucks Releases Halloween Witch and Princess Frappuccinos," 16 Oct. 2018 And, in a back-to-school spirit, autumn is often a time of self-reinvention. Kristina O’neill, WSJ, "WSJ. Magazine Editor’s Letter: Selfie Reinvention," 11 Oct. 2018 On rainy days, sunny days and days that go all night, autumn is all about boots. Bree Coven Foster, The Seattle Times, "5 fall boots for rain and shine," 8 Oct. 2018 But no autumn is complete without the most sacred of traditions: a viewing of It's The Great Pumpkin, Charlie Brown. Maggie Maloney, Town & Country, "Mark Your Calendars! It's The Great Pumpkin, Charlie Brown Will Air on October 18," 3 Oct. 2018 But autumn, with its cooler temperatures and occasional rainfall, is the ideal time to prepare your lawn for next spring. Joseph Truini, Popular Mechanics, "6 Tips to Get Your Lawn Ready for Fall," 24 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'autumn.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of autumn

15th century, in the meaning defined at sense 1

History and Etymology for autumn

Middle English autumpne, from Latin autumnus

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Statistics for autumn

Last Updated

20 Mar 2019

Look-up Popularity

Time Traveler for autumn

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

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More Definitions for autumn



English Language Learners Definition of autumn

: the season between summer and winter
: the later part of someone's life or of something's existence


au·​tumn | \ ˈȯ-təm How to pronounce autumn (audio) \

Kids Definition of autumn

: the season between summer and winter

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Comments on autumn

What made you want to look up autumn? Please tell us where you read or heard it (including the quote, if possible).


to corrupt or become corrupted

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