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.
My 90-minute Inner Calm massage in a treatment room with rainforest views was restorative and tranquil, while morning hikes on Ladera’s cliffside trails further enhanced the distinctive sense of place and vantage point of the resort. Condé Nast, Condé Nast Traveler, 21 Apr. 2026 Home to the colorful Macaw parrot, leatherback turtles, and thousands of acres of rainforest, the islands of Trinidad and Tobago offer unique, natural explorations and once-in-a-lifetime adventures. Michael Cappetta, Travel + Leisure, 21 Apr. 2026 Theonila Roka Matbob was born in what should have been a lush rainforest. Gabrielle Emanuel, NPR, 20 Apr. 2026 The original is set in an Australian rainforest populated by fairies, one of whom accidentally shrinks a logger to fairy size. Mike Fleming Jr, Deadline, 17 Apr. 2026 Authorities, including the National Search and Rescue Agency and the Ministry of Transportation, confirmed via the news agency that rescue teams located the wreckage amid the dense rainforest and found the bodies of two crew members and six passengers. Adam England, PEOPLE, 17 Apr. 2026 After the success at Tidmarsh, ecologists from as far as the Amazon rainforest reached out to Living Observatory asking for their input on how to deploy a similar bespoke sensor network in their work, Dublon says. ABC News, 15 Apr. 2026 The series’ 12 episodes across two seasons visit a dizzying array of locales, from the Congolese rainforest to the Arctic, where polar bears are struggling to adapt to climate change and the loss of their icy homes. David Faris, TheWeek, 13 Apr. 2026 An innovative boat ride will take riders on a journey through a Pandoran rainforest glowing in luminescent blues, greens and purples. Brady MacDonald, Oc Register, 13 Apr. 2026

Word History

First Known Use

1900, in the meaning defined at sense 1

Time Traveler
The first known use of rainforest was in 1900

Browse Nearby Words

Cite this Entry

“Rainforest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/rainforest. Accessed 26 Apr. 2026.

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

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