mountebank /ˈmaʊntəˌbæŋk/noun 4verb 2forms 3 noun4 •One who sells dubious medicines.She is abus'd, stolne from me, and corrupted / By Spels, and Medicines, bought of Mountebanks — 1603 •One who sells by deception; a con artist.Donne was a mountebank who wrapped up his lack of meaning in hard words. — 1928 •Any boastful, false pretender. •(no longer used) An acrobat. verb2 •To act as a mountebank. •To cheat by boasting and false pretenses. formsmountebanked · mountebanking · mountebanks