Definitions

jet stream

NOUN

upper-atmospheric wind

Synonyms

WEAK

air stream geostrophic wind gradient wind high-altitude wind high-speed wind stream prevailing wind upper-atmosphere wind

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We were standing in the jet stream, on the edge of space,” Whittaker wrote in his 1999 memoir, “A Life on the Edge.”

From Los Angeles Times • Apr. 8, 2026

"Just as small shifts in the jet stream can change the weather, small changes in these cellular winds could change how diseases begin or progress," Cathy said.

From Science Daily • Apr. 1, 2026

The weather has turned much windier due to a very strong Atlantic jet stream with winds reaching 220mph.

From BBC • Mar. 11, 2026

Cold Arctic air, transported south over North America by the polar jet stream in the winter, meets warmer air over the Atlantic Ocean and the Gulf.

From The Wall Street Journal • Feb. 23, 2026

Thrust high into the jet stream, the mountain ripped a visible gash in the 120- knot hurricane, sending forth a plume of ice crystals that trailed to the east like a long silk scarf.

From "Into Thin Air" by Jon Krakauer