: of, relating to, or being a forest characterized by the presence of large old trees, numerous snags and woody debris, and a multilayered canopy and that is usually in a late stage of ecological succession
old growth noun

Examples of old-growth in a Sentence

Recent Examples on the Web
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The Sea to Summit trail takes you to the Malahat Skywalk for views across the region, hiking through old-growth rainforest and lunch in the charming seaside community of Cowichan Bay. Carolyn Heller, Forbes.com, 22 Jan. 2026 However, the project has run into stiff opposition from Sacramento County residents and conservation groups over how the nearly 3,000-acre solar field would necessitate the destruction of more than 3,000 old-growth oak trees. Cecilio Padilla, CBS News, 5 Jan. 2026 One of California's best state parks, Humboldt Redwoods State Park charms with its old-growth redwood forest, which covers about one-third of the park. Evie Carrick, Travel + Leisure, 9 Dec. 2025 Snowmobiling Obsessive trail grooming and pristine old-growth forest make the Jordan Valley Snowmobile Trail a heart-of-winter ride. Outside, 17 Nov. 2025 See All Example Sentences for old-growth

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of old-growth was in 1868

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Cite this Entry

“Old-growth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/old-growth. Accessed 6 Feb. 2026.

Kids Definition

old-growth

adjective
ˈōl(d)-ˈgrōth
: of, relating to, or being a forest characterized by the presence of large old trees, dead standing trees, and fallen rotting trees and that is usually in a late stage of development
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