erroneous Copy link • erroneous: falsus: v. false. Phr.: all these opinions are about equally e. with ..., quae sunt iisdem in erratis fere, quibus ..., Cic. N. D. 1, 12, fin.: the opinion of his pupil is no less e., cujus discipuli non minus magno in errore sententia est, Cic. l. c. § 37: to be led into e. beliefs, in errorem rapi, Cic.: v. error. (N.B.--An e. opinion is falsa opinio [Cic.], not opinionis error [R. and A.]: cf. Cic. Off. 1, 8, 26.)