Indian summer

noun

1. a period of mild, dry weather, usually accompanied by a hazy atmosphere, occurring usually in late October or early November and following a period of colder weather.

Indian summer

noun

1. a period of unusually settled warm weather after the end of summer proper

2. a period of ease and tranquillity or of renewed productivity towards the end of a person's life or of an epoch

Indian summer

1. A period of unusually warm weather in the fall, often following a seasonable cold spell.

Word History and Origins

Origin of Indian summer¹

An Americanism dating back to 1770–80

Word History and Origins

Origin of Indian summer¹

originally US: probably so named because it was first noted in regions occupied by American Indians

Idioms and Phrases

A period of mild, sunny weather occurring in late autumn, usually following a seasonable cold spell. For example, We had two whole days of Indian summer this year, and then it turned cold again. [Late 1700s]