ex·​og·​e·​nous | \ ek-ˈsä-jə-nəs How to pronounce exogenous (audio) \

Definition of exogenous

1 : produced by growth from superficial tissue exogenous roots produced by leaves
2a : caused by factors (such as food or a traumatic factor) or an agent (such as a disease-producing organism) from outside the organism or system exogenous obesity exogenous psychic depression exogenous market fluctuations
b : introduced from or produced outside the organism or system specifically : not synthesized within the organism or system

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Other Words from exogenous

exogenously adverb

Examples of exogenous in a Sentence

Recent Examples on the Web

The problem with that argument is straightforward: The emissions goal is not fixed or exogenous. Benjamin Zycher, National Review, "The Confusions of the ‘Conservative’ Carbon Tax," 8 July 2019 And also, when thinking about forecasts, right, the policy path is not exogenous to the forecast, right? Nick Timiraos, WSJ, "Cleveland Fed’s Mester Expects Higher Rates, But Sees No Urgency," 7 Jan. 2019 Several exogenous factors are also helping to keep the flow of oil in check for now, notes Roy Martin of Wood Mackenzie, an energy consultancy. The Economist, "American shale-oil producers are on a roll," 10 May 2018 In part due to exogenous reasons that have to do with communication. Tory Newmyer, Washington Post, "The Finance 202, Davos Edition: Trump makes Trump Steaks-style pitch for foreign investment," 26 Jan. 2018 The list included a monetary policy misstep, extreme valuations, or some unforeseen exogenous shock. Erin Arvedlund, Philly.com, "Want to bet against U.S. Treasurys? These ETFs make the trade easy for investors," 22 Jan. 2018 The existence or nonexistence of an investigation is almost an exogenous factor of its own. Holman W. Jenkins, WSJ, "Trump Agonistes," 11 July 2017 During a fasted state your body relies on endogenous sources of energy, such as fat and glycogen, as opposed to exogenous sources derived from food. NBC News, "6 Diet and Fitness Fads You Need to Forget," 3 Nov. 2017 Bad management leading to customer harm is exogenous and forgivable? Gretchen Morgenson, New York Times, "Consumers, but Not Executives, May Pay for Equifax Failings," 13 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exogenous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of exogenous

1830, in the meaning defined at sense 1

History and Etymology for exogenous

French exogène exogenous, from exo- + -gène (from Greek -genēs born) — more at -gen

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Last Updated

14 Jul 2019

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Time Traveler for exogenous

The first known use of exogenous was in 1830

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More Definitions for exogenous


ex·​og·​e·​nous | \ ek-ˈsäj-ə-nəs How to pronounce exogenous (audio) \
variants: also exogenic \ ˌek-​sō-​ˈjen-​ik How to pronounce exogenic (audio) \

Medical Definition of exogenous

1 : growing from or on the outside exogenous spores
2 : caused by factors (as food or a traumatic event) or an agent (as a disease-producing organism) from outside the organism or system exogenous obesity exogenousdepression
3 : introduced from or produced outside the organism or system specifically : not synthesized within the organism or system — compare endogenous

Other Words from exogenous

exogenously adverb

More from Merriam-Webster on exogenous

Rhyming Dictionary: Words that rhyme with exogenous

Britannica English: Translation of exogenous for Arabic Speakers

Comments on exogenous

What made you want to look up exogenous? Please tell us where you read or heard it (including the quote, if possible).


something desired as essential

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