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.

Of or relating to autumn; autumnal

(intransitive) To spend the autumn (in a particular place). / To undergo the changes associated with autumn, such as leaves changing color and falling from trees.

A female given name from English of modern usage, from autumn, the name of the season.

plural of autumn

Of or relating to autumn. / Past the middle of life; in the third stage.

In an autumnal manner.

Third-person singular simple present indicative form of autumnize

present participle of autumnize

simple past tense and past participle of autumnize