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underbrush

American  
[uhn-der-bruhsh] / ˈʌn dərˌbrʌʃ /
Also underbush

noun

  1. shrubs, saplings, low vines, etc., growing under the large trees in a wood or forest.


underbrush British  
/ ˈʌndəˌbrʌʃ /

noun

  1. undergrowth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of underbrush

An Americanism dating back to 1765–75; under- + brush 2

Vocabulary lists containing underbrush

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

At one fishing spot, a big mama iguana and eight babies scramble into the underbrush; it felt like a scene from “Jurassic Park.”

From The Wall Street Journal Jul. 26, 2026

Embers can get buried in tree roots or underbrush covered by heavy ash and then later be freed by strong winds.

From Los Angeles Times Oct. 8, 2025

Their use, coupled with selective clearing of smaller trees and underbrush in another Indigenous technique called thinning, reduces the severity, intensity, and tree mortality of wildfires.

From Salon Oct. 20, 2024

The trail itself is notably thick with underbrush and can be junglelike in some spots, especially once you descend into Robe Canyon itself.

From Seattle Times May 16, 2024

Our friends burst out from the underbrush, the robot sprinting through the field, the goose flying by her side.

From "The Wild Robot Escapes" by Peter Brown

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