extensive
Americanadjective
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an extensive area.
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covering or extending over a great area.
extensive travels.
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far-reaching; comprehensive; thorough.
extensive knowledge.
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an extensive journey.
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great in amount, number, or degree.
an extensive fortune; extensive political influence.
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of or having extension.
Space is extensive, time durational.
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noting or pertaining to a system of agriculture involving the use or cultivation of large areas of land with a minimum of labor and expense (opposed to intensive).
adjective
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having a large extent, area, scope, degree, etc; vast
extensive deserts
an extensive inheritance
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widespread
extensive coverage in the press
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agriculture involving or farmed with minimum expenditure of capital or labour, esp depending on a large area of land Compare intensive
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physics of or relating to a property, measurement, etc, of a macroscopic system that is proportional to the size of the system Compare intensive
heat is an extensive property
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logic
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of or relating to logical extension
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(of a definition) in terms of the objects to which the term applies rather than its meaning
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Other Word Forms
Etymology
Origin of extensive
First recorded in 1375–1425; late Middle English, from Late Latin extēnsīvus, equivalent to Latin extēns(us) (past participle of extendere “to stretch out”) + -īvus adjective suffix; see extend, -ive
Explanation
When something is far-reaching or expansive it is extensive. When your friend knows every single place and time that his favorite band has played any given song, he has extensive knowledge of that band. Use the adjective extensive for something that goes on and on and on. It works for anything that covers a lot of territory either in physical space, as in "the gardens at the palace are extensive," or conceptually, as in "her knowledge of the mortgage-backed securities market is extensive." If you are a farmer, you would also use extensive to mean that you are able to work a lot of land without too much effort or manual labor.
Vocabulary lists containing extensive
Hatchet
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List 8
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A Christmas Carol
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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.
Xi has set up an extensive system of rules and enforcement that closely dictates the behavior of party members and government workers.
From The Wall Street Journal • Jul. 5, 2026
But it was extremely hypocritical of the U.S. to condemn the Barbary states for enslaving a few hundred Americans given, you know, the extensive enslavement of hundreds of thousands of Africans on American soil.
From Salon • Jul. 4, 2026
The extensive measures have sparked a flood of jokes on social media where some users said the only thing left to do was bring the sea to Ankara.
From Barron's • Jul. 4, 2026
Warner said for the following six years there were only 50 “Drone as a First Responder” programs nationwide because “regulations were too extensive, too complicated and took too long.”
From Los Angeles Times • Jul. 3, 2026
Boyle went on to carry out extensive research into the phenomenon of second sight, which one might describe as the beginnings of parapsychology.
From "The Invention of Science" by David Wootton
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
