- often ironic a dignified or aristocratic man
literally: great lord
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
Examples from the Web for grand seigneur
God after all, reflected Andre-Louis, was not a grand-seigneur.Scaramouche
Though Dublin is now deserted by the aristocracy, most of the grand-seigneur mansions are still standing.