sartorial UK /sɑːˈtɔː.ɹi.əl/US /sɑɹˈtɔɹ.i.əl/ adjective3 •Of or relating to the tailoring of clothing.His sartorial rebellions were slight: he wore jeans, for example, when giving tutorials. — 2001 •Of or relating to the quality of dress.In his smart suit, Jacob was by far the most sartorial of our party. •Of or relating to the sartorius muscle. formsmore sartorial · most sartorial