intensive

[in-ten-siv]
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adjective
  1. of, relating to, or characterized by intensity: intensive questioning.
  2. tending to intensify; intensifying.
  3. Medicine/Medical.
    1. increasing in intensity or degree.
    2. instituting treatment to the limit of safety.
  4. noting or pertaining to a system of agriculture involving the cultivation of limited areas, and relying on the maximum use of labor and expenditures to raise the crop yield per unit area (opposed to extensive).
  5. requiring or having a high concentration of a specified quality or element (used in combination): Coal mining is a labor-intensive industry.
  6. Grammar. indicating increased emphasis or force. Certainly is an intensive adverb. Myself in I did it myself is an intensive pronoun.
noun
  1. something that intensifies.
  2. Grammar. an intensive element or formation, as -self in himself, or Latin -tō in iac-tō, “I hurl” from iacō, “I throw.”

Origin of intensive

First recorded in 1400–50; late Middle English word from Medieval Latin word intēnsīvus. See intense, -ive
Related formsin·ten·sive·ly, adverbin·ten·sive·ness, nounun·in·ten·sive, adjectiveun·in·ten·sive·ly, adverb
Can be confusedintense intensive intents
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for intensive

intensive

adjective
  1. involving the maximum use of land, time, or some other resourceintensive agriculture; an intensive course
  2. (usually in combination) using one factor of production proportionately more than others, as specifiedcapital-intensive; labour-intensive
  3. agriculture involving or farmed using large amounts of capital or labour to increase production from a particular areaCompare extensive (def. 3)
  4. denoting or relating to a grammatical intensifier
  5. denoting or belonging to a class of pronouns used to emphasize a noun or personal pronoun, such as himself in the sentence John himself did it. In English, intensive pronouns are identical in form with reflexive pronouns
  6. of or relating to intension
  7. physics of or relating to a local property, measurement, etc, that is independent of the extent of the systemCompare extensive (def. 4)
noun
  1. an intensifier or intensive pronoun or grammatical construction
Derived Formsintensively, adverbintensiveness, 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 intensive
adj.

mid-15c., from French intensif (14c.), from Latin intens-, past participle stem of intendere (see intend). As a noun, 1813, from the adjective. Alternative intensitive is a malformation. Intensive care attested from 1958. Related: Intensively.

Online Etymology Dictionary, © 2010 Douglas Harper