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opportunist

American  
[op-er-too-nist, -tyoo-] / ˌɒp ərˈtu nɪst, -ˈtju- /

noun

  1. a person who practices opportunism, or the policy of adapting actions, decisions, etc., to effectiveness regardless of the sacrifice of ethical principles.

    He is an extreme opportunist and always thinks the ends justify the means.


opportunist British  
/ ˌɒpəˈtjuːnɪst /

noun

  1. a person who adapts his actions, responses, etc, to take advantage of opportunities, circumstances, etc

"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

adjective

  1. taking advantage of opportunities and circumstances in this way

"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

Other Word Forms


Etymology

Origin of opportunist

First recorded in 1865–70; opportun(ism) ( def. ) + -ist ( def. )


Explanation

Opportunists are people who see a chance to gain some advantage from a situation, often at the expense of ethics or morals. An opportunist seizes every opportunity to improve things for himself. Say you won millions in the lottery. People would come out of the woodwork hoping to get their hands on some of it. These people act as if they are close friends. But they are not; they are opportunists. Famous opportunists include “carpetbaggers,” Northern opportunists who, after the American Civil War, poured into the South to turn Reconstruction into personal financial gains.

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Vocabulary lists containing opportunist

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.

See Examples For:

One of the organisers of the 'Rescue Hoads Wood' campaign said the cleared site would now be "catnip" to both organised gangs and opportunist fly-tippers.

From BBC ● Oct. 9, 2026

The years since the publication of “Hillbilly Elegy” demonstrated that Vance is, at his heart, an opportunist and a chameleon.

From Salon ● Jun. 25, 2026

He’s the Parliament speaker, former mayor, police chief and Revolutionary Guard commander, and consummate opportunist.

From The Wall Street Journal ● Mar. 24, 2026

An opportunist goal by Soumare on 54 minutes gave Le Havre a 2-1 home win over Strasbourg in Ligue 1.

From Barron's ● Feb. 9, 2026

He was a valorous opportunist who pounced hoggishly upon every opportunity Colonel Korn discovered for him and trembled in damp despair immediately afterwards at the possible consequences he might suffer.

From "Catch-22" by Joseph Heller

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