Established Established synonyms conventional established and conventional fixed established and fixed set established and set traditional established and traditional accepted established and accepted settled established and settled entrenched established and entrenched determined established and determined confirmed established and confirmed orthodox established and orthodox Full list of synonyms (1817) Established antonyms unestablished established and unestablished disapproved established and disapproved uncertain established and uncertain unfinished established and unfinished incomplete established and incomplete invalidated established and invalidated false established and false unfixed established and unfixed untrue established and untrue unsound established and unsound Full list of antonyms (20) Share this picture Share this image Share this picture Share this image