/ Dictionary / Index O opportunism: Meaning and Definition of Find definitions for: op•por•tun•ism Pronunciation: (op"ur-t'niz-um, -ty'-), [key] — n. the policy or practice, as in politics, business, or one's personal affairs, of adapting actions, decisions, etc., to expediency or effectiveness regardless of the sacrifice of ethical principles. action or judgment in accordance with this policy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: opportunism (Thesaurus) opportune opportunistic Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language