blameworthy UK /ˈbleɪmˌwɜː(ɹ)ði/US /ˈbleɪmˌwɚði/ adjective1 •Deserving blame or censure; reprehensible.Yes, my life has been blameworthy; I confess it. But you know nothing of its temptations. formsmore blameworthy · most blameworthy