I.literally, to stand apart, and so to disagree with an argument, c. dat., Hdt.:—c. dat. pers. to dispute or argue with, τινι Plat.
2.absol. to dispute, wrangle, argue, id=Plat., etc.:— οἱ ἀμφισβητοῦντες the opponents, in a lawsuit, Dem.
3.c. gen. rei, to dispute for or about a thing, id=Dem.; also περί τινος Plat.:— to lay claim to the property of a deceased person, τοῦ κλήρου Dem.
4.c. acc. rei, to dispute a point, Plat.
5.c. acc. et inf. to argue that, id=Plat.
II.Pass. to be the subject of dispute, id=Plat.; or impers., ἀμφισβητεῖται περί τι or περί τινος id=Plat.; ἀμφισβητεῖται μὴ εἶναί τι it is disputed, id=Plat. Hence