au·​tumn | \ˈȯ-təm \

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 \ adjective
autumnally \-​nə-​lē \ 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

In the tense autumn of 1989, Mr. Gorbachev refused to unleash his army in East Germany while ever-larger demonstrations were hammering the regime. Josef Joffe, WSJ, "George Bush Led the Biggest Diplomatic Triumph Since Jefferson," 3 Dec. 2018 Germany’s biggest bank has been through three strategic overhauls in as many years and a near-death experience that saw clients pull billions in the autumn of 2016., "Zuckerberg Testifies Before Senate Panel," 9 Apr. 2018 Shop Now: Illume Boulangerie Pumpkin Souffle candle, $18, For something a little bit different but that still embodies the goodness of fall, this candle by Wax Buffalo smells like — well, autumn. Erin Nicole Celletti, Teen Vogue, "7 Fall Candles Under $60," 16 Nov. 2018 This year, California’s autumn rains have been well below average; this followed a hot summer in which forest fuels reached record levels of dryness. Scott K. Johnson, Ars Technica, "What is going on with California’s horrific fires?," 13 Nov. 2018 So fat bears in autumn mean healthy bears who’ll make it through the winter. Brian Resnick, Vox, "A national park in Alaska wants you to vote on their very fattest bear," 9 Oct. 2018 Beetroots' rich reds, golden yellows, creamy whites, and stunning stripes will add a brilliant splash of seasonal color to your autumn meals. The Editors, Good Housekeeping, "How to Grow Beets This Fall for a Hearty Autumn Harvest," 21 Aug. 2018 October 31 through November 1 is also Samhain, halfway between the autumn equinox and the winter solstice, and a holiday marking the end of the harvest season and the start of winter believed to be of Celtic pagan origin. Sophie Saint Thomas, Allure, "Make Beauty Is Having a Big Sale on Its Makeup and Skin Care to Celebrate the Full Moon," 25 Oct. 2018 That autumn, rebel forces kill Libya’s leader Moammar Gadhafi. Jared Malsin, WSJ, "Saudi Journalist’s Disappearance Darkens Outlook for Arab Dissidents," 16 Oct. 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

11 Dec 2018

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 \

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 make faulty or ineffective

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