defoliate

[dee-foh-lee-eyt, dee-foh-lee-it, -eyt]

verb (used with object)

defoliated, defoliating 
  1. to strip (a tree, bush, etc.) of leaves.

  2. to destroy or cause widespread loss of leaves in (an area of jungle, forest, etc.), as by using chemical sprays or incendiary bombs, in order to deprive enemy troops or guerrilla forces of concealment.



verb (used without object)

defoliated, defoliating 
  1. to lose leaves.

adjective

  1. (of a tree) having lost its leaves, especially by a natural process.

defoliate

verb

  1. to deprive (a plant) of its leaves, as by the use of a herbicide, or (of a plant) to shed its leaves

“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

adjective

  1. (of a plant) having shed its leaves

“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
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Other Word Forms

  • defoliator noun
  • defoliation noun
  • undefoliated adjective
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Word History and Origins

Origin of defoliate1

1785–1795; < Medieval Latin dēfoliātus, past participle of dēfoliāre, equivalent to Latin dē- de- + foli ( um ) leaf + -ātus -ate 1
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Word History and Origins

Origin of defoliate1

C18: from Medieval Latin dēfoliāre, from Latin de- + folium leaf
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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.

The arrival of a pesky family of rabbits or lilacs so heavily leaf-spotted by fungal disease that they defoliated in August just don’t feel like legitimate problems against such headlines.

Read more on Seattle Times

As Black notes, however, a great deal of “unfinished business” remains, and he gives one example: Forty-four provinces in Vietnam were defoliated, but “humanitarian aid for dioxin-related disabilities was reaching only eight of them.”

Read more on Washington Post

If tomato hornworms try to defoliate your plants, there’s a wasp for that, too — more than one, in fact.

Read more on Seattle Times

The browntail moth is a scourge in America’s most forested state, where it defoliates trees and causes a rash in humans that resembles poison ivy.

Read more on Seattle Times

The plant in his hands was a Palmer amaranth descendant that had demonstrated resistance to 2,4-D, one of two active ingredients in compounds used to defoliate forests during the Vietnam War.

Read more on New York Times

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