rainforest
noun
rain·for·est
ˈrān-ˌfȯr-əst 
-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
Examples of rainforest in a Sentence
Recent Examples on the Web
Brazil contains about two-thirds of the Amazon rainforest and 20% of the world’s total biodiversity, according to the Rainforest Foundation US.
—
Irene Wright, Miami Herald, 3 Oct. 2025
In her pioneering studies in the lush rainforest of Tanzania’s Gombe Stream Game Reserve, now a national park, Goodall noted that the most successful chimp leaders were gentle, caring and familial.
—Preston Fore, Fortune, 2 Oct. 2025
Coster-Waldau travels to the Andean mountains, the Ganges River, the Ecuadorian rainforest, Paris and more.
—Giana Levy, Variety, 1 Oct. 2025
First by shadowing a refugee smuggler and some refugees preparing to trek through the treacherous Darién Gap rainforest.
—Randy Myers, Mercury News, 30 Sep. 2025
Thankfully, my passport wasn’t stolen, nor was it stranded somewhere in the middle of the rainforest (my worst fear at the time).
—Amelia McBride, Travel + Leisure, 28 Sep. 2025
The two organizations will mobilize $200 million to protect 30 million hectares of Amazon rainforest.
—Althea Legaspi, Rolling Stone, 28 Sep. 2025
Ticket purchases support Global Citizen’s mission to end extreme poverty and protect the Amazon rainforest.
—Isabela Raygoza, Billboard, 28 Sep. 2025
Chocolate is made from cacao beans, the seeds of the cacao tree, a plant scientists believe is native to rainforests in the Amazon basin and Orinoco River basin of South America, according to the University of Vermont and University of Oxford.
—Jenna Prestininzi, Freep.com, 25 Sep. 2025
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Irene Wright, Miami Herald, 3 Oct. 2025
In her pioneering studies in the lush rainforest of Tanzania’s Gombe Stream Game Reserve, now a national park, Goodall noted that the most successful chimp leaders were gentle, caring and familial.
—Preston Fore, Fortune, 2 Oct. 2025
Coster-Waldau travels to the Andean mountains, the Ganges River, the Ecuadorian rainforest, Paris and more.
—Giana Levy, Variety, 1 Oct. 2025
First by shadowing a refugee smuggler and some refugees preparing to trek through the treacherous Darién Gap rainforest.
—Randy Myers, Mercury News, 30 Sep. 2025
Thankfully, my passport wasn’t stolen, nor was it stranded somewhere in the middle of the rainforest (my worst fear at the time).
—Amelia McBride, Travel + Leisure, 28 Sep. 2025
The two organizations will mobilize $200 million to protect 30 million hectares of Amazon rainforest.
—Althea Legaspi, Rolling Stone, 28 Sep. 2025
Ticket purchases support Global Citizen’s mission to end extreme poverty and protect the Amazon rainforest.
—Isabela Raygoza, Billboard, 28 Sep. 2025
Chocolate is made from cacao beans, the seeds of the cacao tree, a plant scientists believe is native to rainforests in the Amazon basin and Orinoco River basin of South America, according to the University of Vermont and University of Oxford.
—Jenna Prestininzi, Freep.com, 25 Sep. 2025
Cite this Entry
“Rainforest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainforest. Accessed 6 Oct. 2025.
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