: 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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For a quieter experience, head to Kukutali Preserve on Kiket Island, an area comanaged by the Swinomish Indian Tribal Community and Washington State Parks near Deception Pass State Park, where old-growth forest trails open to expansive views over the Fidalgo, Hope, and Skagit islands. Lauren Dana Ellman, Travel + Leisure, 6 Apr. 2026 Conservation techniques include preserving old-growth beech and oak forests and managing forests sustainably so that old trees are left intact and large-diameter dead wood is left in place. Encyclopedia Britannica, 27 Mar. 2026 The main residence is described as about 3,153 square feet, with warm, old-growth redwood millwork and a great-room feel anchored by a wood-burning fireplace and walls of windows designed to pull in daylight. David Caraccio, Sacbee.com, 23 Mar. 2026 The Chamberlain Trail is located in the Jackson Demonstration State Forrest, a 50,000-acre old-growth redwood wilderness area between Willits and Fort Bragg. Madison Dapcevich, Outside, 23 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 14 Apr. 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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