: 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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Consider hiking the Helliwell Bluffs loop, a three-mile jaunt through old-growth Douglas fir and Garry oak trees with sweeping views of the Georgia Strait and the mainland’s epic Coast Mountains. Sara Harowitz, Travel + Leisure, 6 May 2026 For 25 years, he's worked in a forest in California's Sierra Nevada, the Teakettle Experimental Forest, home to old-growth sugar and Jeffrey pine trees. Lauren Sommer, NPR, 4 May 2026 In the song, an old-growth tree provides cover from the watchful eye of puritanical church folk; chili dogs and ice cream are an excuse to break free from parents. Literary Hub, 29 Apr. 2026 The wind also died down as warm, humid air settled over the old-growth cypress swamp on which the course was built for much of the round before a breeze returned late in the day. ABC News, 25 Apr. 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 12 May. 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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