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  1. exceeding the bounds of custom, propriety, or reason, especially in amount or extent; highly excessive: to charge an exorbitant price; exorbitant luxury.
  2. Archaic. outside the authority of the law.

Origin of exorbitant

1425–75; late Middle English < Late Latin exorbitant- (stem of exorbitāns, present participle of exorbitāre to go out of the track), equivalent to ex- ex-1 + orbit(a) wheel track (see orbit) + -ant- -ant
Related formsex·or·bi·tant·ly, adverbun·ex·or·bi·tant, adjectiveun·ex·or·bi·tant·ly, adverb

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for exorbitant


  1. (of prices, demands, etc) in excess of what is reasonable; excessive; extravagant; immoderate
Derived Formsexorbitance, nounexorbitantly, adverb

Word Origin for exorbitant

C15: from Late Latin exorbitāre to deviate, from Latin orbita track
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 exorbitant

mid-15c., a legal term, "deviating from rule or principle, eccentric;" from Latin exorbitantem (nominative exorbitans), present participle of exorbitare "deviate, go out of the track," from ex- "out of" (see ex-) + orbita "wheel track" (see orb). Sense of "excessive, immoderate" is from 1620s; of prices, rates, etc., from 1660s. Related: Exorbitantly.

Online Etymology Dictionary, © 2010 Douglas Harper