: 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
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.
Guides who grew up in the region point the way through remote alpine villages, old-growth forests, and six national parks. AFAR Media, 14 July 2025 The colors of the old-growth woodlands—bright amber, crimson, and citrine—lend an otherworldly aura to the park, too. Andrea Bussell, Travel + Leisure, 7 July 2025 Under the new plan there will be 225 spaces — 75 in the old-growth core of the park and 150 at the Saddle Mountain area — a 40% reduction. Paul Rogers, Mercury News, 19 June 2025 This is the same area where the Lower North South logging project is proposed to cut and clear out some 115,000 acres, including over 4,000 acres of mature and old-growth forest – the habitat of the Mexican Spotted Owl. Dp Opinion, Denver Post, 18 June 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 19 Jul. 2025.

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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