rainfall

noun

rain·​fall ˈrān-ˌfȯl 

1

: the amount of precipitation usually measured by the depth in inches

2

: rain sense 2a

Synonyms

• rain

Examples of rainfall in a Sentence

This area has an average annual rainfall of 12 inches.

an increase in annual rainfall

Recent Examples on the Web

There’s a 60% chance for precipitation across the region with some slow-moving storms capable of winds up to 50 mph, lightning strikes and some flooding from heavy rainfall that could drop 1-3 inches. —Richard Tribou, The Orlando Sentinel, 30 June 2025

Venezuelan Vice President Delcy Rodríguez said rainfall in these regions increased by 300% compared to conditions before the arrival of the tropical wave. —Sonia Osorio, Miami Herald, 30 June 2025

After months of minimal rainfall, brown lemurs shift their diets from various fruit to the watery leaves of low-growing plants. —Cecilia Rodriguez, Forbes.com, 29 June 2025

Additional rainfall amounts up to 1 inch are possible in the warned area. —Nc Weather Bot, Charlotte Observer, 29 June 2025

Word History

First Known Use

1817, in the meaning defined at sense 1

Rhymes for rainfall

• aldol
• armhole
• atoll
• awol
• backhaul
• banal
• baseball
• befall
• cabal
• catchall
• cecal
• centrale

Kids Definition

rainfall

noun

rain·​fall -ˌfȯl 

1

: a fall of rain

2

: amount of precipitation

an annual rainfall of 20 inches