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extent

American  
[ik-stent] / ɪkˈstɛnt /

noun

  1. the space or degree to which a thing extends; length, area, volume, or scope.

    the extent of his lands; to be right to a certain extent.

    Synonyms:
    length, reach, stretch, expanse, range, compass, amount, measure, magnitude
  2. something extended, as a space; a particular length, area, or volume; something having extension.

    the limitless extent of the skies.

  3. U.S. Law. a writ, or a levy, by which a debtor's lands are valued and transferred to the creditor, absolutely or for a term of years.

  4. English Law.

    1. Also called writ of extent.  a writ to recover debts of a record due to the crown, under which land, property, etc., may be seized.

    2. a seizure made under such a writ.

  5. Logic. extension.

  6. Archaic. assessment or valuation, as of land.


extent British  
/ ɪkˈstɛnt /

noun

  1. the range over which something extends; scope

    the extent of the damage

  2. an area or volume

    a vast extent of concrete

  3. law a writ authorizing a person to whom a debt is due to assume temporary possession of his debtor's lands

  4. logic another word for extension

"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

extent Idioms  
  1. see to some degree (extent).


Usage

What is extent? Extent is the length, area, volume, or scope something reaches to, as in The extent of Sheree’s knowledge of science fiction was very deep. Extent is a very common term that can refer to measurements, concepts, ideals, plans, and many other fields that measure anything, literal or figurative. Extent can also refer to something that has a lengthening, stretching out, or enlarging scope, especially when the boundaries aren’t known. You might hear someone talk about the limitless extent of space, for example. The phrase the extent of means that something has reached the extreme or the border of how far it can go, as in I can raise your allowance by $5, but that’s the extent of what I can do. Example: We know that the pan can get hot, but we are unsure to what extent.

Other Word Forms

  • preextent noun

Etymology

Origin of extent

First recorded in 1250–1300; Middle English extente “assessment,” from Medieval Latin extenta, noun use of feminine of Latin extentus “stretched out,” past participle of extendere “to stretch out”; see extend

Explanation

The extent is the area something covers. That could be physical space or something like being prosecuted to the full extent of the law. Use the word extent when you are discussing how far something extends — how far it reaches. If you're an expert, the extent of your knowledge is wide. If you own a lot of property, the extent of your land is huge. The full extent of something is like the limit — that's the end of it. If you've reached the extent of your patience, you're out of patience. If an earthquake destroyed your house, the extent of the damage was severe.

Keep Reading on Vocabulary.com

Vocabulary lists containing extent

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.

A passive house is airtight and highly insulated, designed to reduce the need for air conditioning and heating to the highest extent possible.

From Los Angeles Times • Apr. 18, 2026

“There is considerable uncertainty about the extent and persistence of the conflict, the ongoing consequences for shipping through the Strait of Hormuz and the extent of infrastructure damage” in the Gulf states, he said.

From The Wall Street Journal • Apr. 17, 2026

But, they’re committed on the high seas, so to the extent there’s jurisdiction at all, this falls under the authority of federal district court or federal military tribunals.

From Slate • Apr. 16, 2026

To the extent we are successful, our engagement could have the byproduct of creating upside.

From Barron's • Apr. 16, 2026

Even then, however, Madison’s habitual shyness and his willingness to remain within Jefferson's shadow probably concealed the extent of his independent influence on the partnership.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis