opportunist

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

noun

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.

QUIZZES

"EVERYDAY" VS. "EVERY DAY" QUIZ: IS IT ONE WORD OR TWO?

An everyday activity is one you do every day. (Thanks, English.) Practice using "everyday," one word, and "every day," two words, in this fun quiz with … everyday example sentences!
Question 1 of 16
“Everyday" is an adjective that describes things that happen habitually or items that are normal items or events.
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Example sentences from the Web for opportunist

British Dictionary definitions for opportunist

opportunist
/ (ˌɒpəˈtjuːnɪst) /

noun

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

adjective

taking advantage of opportunities and circumstances in this way

Derived forms of opportunist

opportunism, 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