: 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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Reclaimed 19th-century pine boards, sourced in Pennsylvania by LV Wood, conjured the old-growth feel of the original floor. Laura Regensdorf, Architectural Digest, 5 Aug. 2026 That lawsuit names coho salmon, spotted owls, as well as a threatened seabird, the marbled murrelet, which lives largely out at sea but returns to old-growth coastal trees to nest, as species threatened by the change. Lizzie Kane, Sacbee.com, 31 July 2026 An example of this is the wood from clear-cutting an old-growth forest versus biological diversity and its function as a carbon sink, among other attributes. Dp Opinion, Denver Post, 29 July 2026 Public opposition to old-growth logging also played a role, causing California lawmakers to toughen rules on clearcuts and logging on steep hillsides and stream banks. Paul Rogers, Mercury News, 28 July 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 6 Aug. 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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