peculiar Antonyms

standardized simple shared secretariat routine repeated reliant regular recurrent quotidian public prevalent prevailing popular plural plain physiological standard typical one-size-fits-all fit as a fiddle uncharacteristic nonspecific nonproprietary unremarkable unexceptional run-of-the-mill middle-of-the-road mainstream autoimmune widespread vanilla usual universal ubiquitous periodicity pedestrian overall epidemic emblematic eaten duo daily cyclical customary conventional concentric compensate commonplace common