From Longman Dictionary of Contemporary Englishunprincipledun‧prin‧ci‧pled /ʌnˈprɪnsəpəld/ AWL adjective formal DON'T CAREnot caring whether what you do is morally right SYN unscrupulous
Examples from the Corpus
unprincipled• The argument that Labour should not organise in Northern Ireland because there would be little support for it is particularly unprincipled.• We have triumphed over the unprincipled dissemination of facts.• Firstly we believe representative government to be an unprincipled fraud and propose a radical alternative in the form of participative democracy.• This is not an unprincipled position.• The public's dislike of unprincipled press behaviour has sometimes been expressed in the award of erratically large libel damages.• Yet this morning I am once more not only an unprincipled seducer, but ... what?• She was unpredictable, and unprincipled where Paige was involved. 