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opportunist

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

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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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.

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

She may be a conniving opportunist; she may be an abused and desperate woman simply hoping for a better life.

From The Wall Street Journal • Jan. 31, 2026

In “Werckmeister Harmonies,” another opportunist visits another desperate town, this time accompanying a traveling exhibit of a preserved whale.

From Los Angeles Times • Jan. 8, 2026

Dr Shakoor told officers there was a problem with the door's lock, which prompted the police to consider an opportunist burglar.

From BBC • May 21, 2025

Now she was the subject of many da-zi-bao calling her an opportunist, a black executioner, a corruptor of the young.

From "Red Scarf Girl: A Memoir of the Cultural Revolution" by Ji-li Jiang

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