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

see also:

sell down the river 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

Two people were injured in Saturday’s attack, Kyiv’s mayor Vitaliy Klitschko said, adding that the strike damaged the road and the power supply system that delivers electricity to a trolleybus, as well as suspended some traffic across the river. — Svitlana Vlasova, CNN Money, 3 Oct. 2026

The first meandering rivers and floodplains developed as tree roots stabilized soil and prevented its erosion, while at the same time locking away vast amounts of atmospheric carbon into the nascent soils. — Literary Hub, 2 Oct. 2026

Less than 30 minutes by car to both Bath and Bristol, there’s plenty to keep all ages entertained, but perhaps the best thing to do is to enjoy the tranquility of the home’s river views before venturing out for dinner in a nearby pub. — Katie Silcox, Vogue, 2 Oct. 2026

In a river, water slows down by the bank due to friction, and the velocity mismatches can produce vortices or eddies. — Stephen Ornes, Quanta Magazine, 2 Oct. 2026

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
• up 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"