gombeen /ɡɒmˈbiːn/noun 3adjective 1forms 1 noun3 •(Ireland, historical) A moneylender during the Great Famine.It was said by some that he had been a moneylender back in Ireland; a ‘gombeen’ in their slang: a hated figure. — 2002 •(Ireland, slang) A mean, underhanded, corrupt person. Usually applied to politicians. •(no longer used) Usury. adjective1 •(Ireland) Corrupt, underhanded.They were talking gombeen politics. formsgombeens