Boeotian /biːˈəʊʃən/adjective 2noun 2forms 3 adjective2 •(historical) Pertaining to Boeotia. •Stupid, foolish, dull-witted.we will leave to thy sagacity to apply all this to the Boeotian writers, and to those authors who are their opposites. — 1749 noun2 •(historical) An inhabitant or a resident of Boeotia. •A dull or ignorant person. formsBoeotians · more Boeotian · most Boeotian