: 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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He was mesmerized by the old-growth redwoods and hugely challenged by trying to capture them on film. Greg Sullivan, AFAR Media, 15 Sep. 2025 After acquiring the land in 1947, Cal Fire liquidated nearly all remaining old-growth trees (20,000 acres worth), continuing into the 1980s. John P. O’Brien, Mercury News, 13 Sep. 2025 On the northeast and east side, firefighting crews continue to mop up and strengthen existing lines by removing snags and completing hose lays across steep, rocky terrain, and old-growth vegetation. Ca Wildfire Bot, Sacbee.com, 11 Sep. 2025 Long-term drought has degraded the old-growth forest where the squirrels live. John Leos, AZCentral.com, 3 Sep. 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 30 Sep. 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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