See more synonyms for extensive on Thesaurus.com
  1. of great extent; wide; broad: an extensive area.
  2. covering or extending over a great area: extensive travels.
  3. far-reaching; comprehensive; thorough: extensive knowledge.
  4. lengthy: an extensive journey.
  5. great in amount, number, or degree: an extensive fortune; extensive political influence.
  6. of or having extension: Space is extensive, time durational.
  7. 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).

Origin of extensive

1375–1425; late Middle English < Late Latin extēnsīvus, equivalent to Latin extēns(us) (past participle of extendere to extend) + -īvus -ive
Related formsex·ten·sive·ly, adverbex·ten·sive·ness, ex·ten·siv·i·ty [ek-sten-siv-i-tee, ik-] /ˌɛk stɛnˈsɪv ɪ ti, ɪk-/, nounnon·ex·ten·sive, adjectivenon·ex·ten·sive·ly, adverbnon·ex·ten·sive·ness, nounpre·ex·ten·sive, adjectivepre·ex·ten·sive·ly, adverb

Synonyms for extensive

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Antonyms for extensive

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for extensively

largely, broadly, greatly

Examples from the Web for extensively

Contemporary Examples of extensively

Historical Examples of extensively

British Dictionary definitions for extensively


  1. having a large extent, area, scope, degree, etc; vastextensive deserts; an extensive inheritance
  2. widespreadextensive coverage in the press
  3. agriculture involving or farmed with minimum expenditure of capital or labour, esp depending on a large area of landCompare intensive (def. 3)
  4. physics of or relating to a property, measurement, etc, of a macroscopic system that is proportional to the size of the systemheat is an extensive property Compare intensive (def. 7)
  5. logic
    1. of or relating to logical extension
    2. (of a definition) in terms of the objects to which the term applies rather than its meaning
Derived Formsextensively, adverbextensiveness, noun
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

Word Origin and History for extensively



"vast, far-reaching;" c.1600 of immaterial, c.1700 of material things; from Late Latin extensivus, from extens-, past participle stem of Latin extendere (see extend). Earlier in a medical sense, "characterized by swelling" (early 15c.). Related: Extensively; extensiveness.

Online Etymology Dictionary, © 2010 Douglas Harper