- Traditionally the third of the four seasons, when deciduous trees lose their leaves; typically regarded as being from September 24 to December 22 in parts of the Northern Hemisphere, and the months of March, April and May in the Southern Hemisphere.
- (by extension) The time period when someone or something is past its prime.
- (fashion) A person with relatively dark hair and a warm skin tone, seen as best suited to certain colours in clothing.
- (season) (US, Canada) fall, (UK dialect) harvest, (UK dialect) back end.
- (time when past prime) decline.
- French: automne
- German: Herbst, Herbstzeit
- Italian: autunno
- Portuguese: outono
- Russian: о́сень
- Spanish: otoño
autumn (not comparable)
- Of or relating to autumn; autumnal
- autumn leaves
- 1910, Emerson Hough, chapter I, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company, OCLC 639762314 ↗, page 0045 ↗:
- Serene, smiling, enigmatic, she faced him with no fear whatever showing in her dark eyes. The clear light of the bright autumn morning had no terrors for youth and health like hers.
- A female given name of modern usage, from the name of the season.