: 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 cypress is a good one to avoid since many suppliers strip this from old-growth cypress trees. Paul Cappiello, Louisville Courier Journal, 6 Mar. 2026 It’s tucked in an old-growth redwood tree in the backcountry of the park, in Humboldt County, where there are no roads and a creek presents an impassable barrier, Williams-Claussen said. Lila Seidman, Los Angeles Times, 5 Mar. 2026 The breeding pair, both six years and 10 months old, constructed the area's first nest in a century high within a hollow of an old-growth redwood in the Redwood Creek drainage. Debra Utacia Krol, AZCentral.com, 5 Mar. 2026 In an old-growth forest, the beauty of old trees intertwines with the bodies of those trying to save them, creating something numinous. Robert Moor, New Yorker, 2 Mar. 2026 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 10 Mar. 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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