river

noun

riv·​er ˈri-vər 

often attributive

1

a

: a natural stream of water of usually considerable volume

b

: watercourse

2

a

: something resembling a river

a river of lava

b

rivers plural : large or overwhelming quantities

drank rivers of coffee

Phrases

up the river

: to or in prison

was sent up the river

Examples of river in a Sentence

The raft is too small to use on this part of the river.

Rivers of mud flowed down the hillside.

Recent Examples on the Web

Fleck and other experts have argued that worst-case scenarios should be the basis for planning efforts on the river. —Austin Corona, AZCentral.com, 15 Aug. 2025

In water, adults enjoy Aurora’s partnership with SCUBA SHACK, Anguilla’s only PADI 5-Star Dive Resort, while kids find their heaven at the massive waterpark, complete with slides and a lazy river. —Baz Dreisinger, Forbes.com, 15 Aug. 2025

The team wasn’t inspired by a river’s rapids or ocean currents, however. —Andrew Paul Aug 14, Popular Science, 14 Aug. 2025

These floods have now set a record three years in a row: In 2023 the river crested at 14.97 feet (4.56 m) after an outburst, a record exceeded just a year later in the August 2024 flood. —Stephanie Pappas, Scientific American, 13 Aug. 2025

Word History

Etymology

Middle English rivere, from Anglo-French, from Vulgar Latin *riparia, from Latin, feminine of riparius riparian, from ripa bank, shore; perhaps akin to Greek ereipein to tear down

First Known Use

14th century, in the meaning defined at sense 1a

Phrases Containing river

• atmospheric river
• down the river
• mouth of the river
• river blindness
• river dolphin
• river duck
• river horse
• river mouth
• river otter
• river's mouth
• sell down the river

Rhymes for river

• giver
• liver
• livre
• quiver
• shiver
• sliver
• caregiver
• deliver
• downriver
• lawgiver
• upriver

Kids Definition

river

noun

riv·​er ˈriv-ər 

1

: a natural stream of water larger than a brook or creek

2

: a large stream or flow

the jet stream is a river of air

Etymology

Middle English rivere "river," from early French rivere (same meaning), derived from Latin riparius "related to or located on the bank of a river," from ripa "shore"