laissez-faireEnglishOxford English Thesauruslaissez-faire noun laissez-faire is an economic system based on individualism and self-interest: free enterprise, private enterprise, free trade, individualism, non-intervention, free-market capitalism, private ownership, market forces, deregulation; non-interference, non-involvement, indifference.adjective a belief in laissez-faire economics: non-interventionist, non-interventional, non-interfering, non-restrictive, liberal, libertarian, uninvolved, indifferent, lax, loose, permissive, live-and-let-live; informal hands-off. ▷antonyms interventionist.laissez-faire Oxford Dictionary of English