rainforest

noun

rain·​for·​est ˈrān-ˌfȯr-əst How to pronounce rainforest (audio)
-ˌfär-
variants or less commonly rain forest
plural rainforests also rain forests
1
: a tropical woodland with an annual rainfall of at least 100 inches (254 centimeters) and marked by lofty broad-leaved evergreen trees forming a continuous canopy

called also tropical rainforest

2

Examples of rainforest in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
From chefs using rainforest ingredients to cultural villages, Sarawak is building a greener future on its own terms. Christopher Elliott, Forbes.com, 6 Sep. 2025 And for true off-the-radar romance, the Central African island country of São Tomé and Príncipe, offers cocoa-scented rainforests, black-sand coves, and turtle-nesting sights. Karin Jones, Travel + Leisure, 4 Sep. 2025 London private members’ club Annabel’s is celebrating its sixth year of supporting the Amazon’s reforestation and restoration with a sculptural tree facade, inspired by the Brazilian rainforest. Violet Goldstone, Footwear News, 4 Sep. 2025 Fanaloka are a small, nocturnal species which are native to the lowland and rainforest areas of Madagascar. Kirsten Fiscus, Nashville Tennessean, 3 Sep. 2025 In the air over the Amazon rainforest, the plane experienced engine failure, and crashed, killing her, the pilot, and local indigenous leader Herman Mendoza Hernández. Wilson Chapman, IndieWire, 1 Sep. 2025 There are two outdoor swimming pools, a living room-like lobby lounge, five (yes, five) restaurants, and a sprawling 17,000 square foot spa featuring 17 treatment rooms, a eucalyptus steam room, dry-heat lodge, whirlpool tubs, rainforest showers, and relaxation rooms. Christina Pérez, Vogue, 30 Aug. 2025 The brand is connected to his Brazilian heritage as the product's main ingredient, açaí berries, are harvested in the Amazon rainforest. Maddie Garfinkle, People.com, 27 Aug. 2025 When not at the pool or on the beach, guests can go on excursions, including rainforest hikes, surfing lessons, horseback riding, fishing trips, and a boat tour to Tortuga Island to spot marine wildlife. Devorah Lev-Tov, AFAR Media, 26 Aug. 2025

Word History

First Known Use

1900, in the meaning defined at sense 1

Time Traveler
The first known use of rainforest was in 1900

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Cite this Entry

“Rainforest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainforest. Accessed 9 Sep. 2025.

Kids Definition

rain forest

noun
1
: an often tropical woodland with a high annual rainfall and very tall evergreen trees with tops forming a continuous layer

called also tropical rain forest

2

More from Merriam-Webster on rainforest

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