Lewis & Short

mendōsus, a, um, adj. [mendum].

  1. I. Full of faults, fauity.
    1. A. Physically, full of faults or blemishes: equi facies, Ov. M. 12, 399.
    2. B. In gen., erroneous, incorrect (class.): mendosum exemplar testamenti, Plin. Ep. 10, 75: mendosum est, etc., Cic. de Or. 2, 19, 83: mores, Ov. Am. 2, 4, 1.
      Comp.: historia mendosior, Cic. Brut. 16, 62.
  2. II. Transf.
    1. A. That commits faults, makes mistakes: cur servus societatis, qui tabulas conficeret, semper in Verrucii nomine certo ex loco mendosus esset, Cic. Verr. 2, 2, 77, § 188.
    2. B. False, deceptive: mendosum for mendose, adverbially, falsely: mendosum tinnire, Pers. 5, 106.
      Hence, adv.: mendōsē, full of faults, faultily, falsely (class.): libri mendose scribuntur, Cic. Q. Fr. 3, 5, 6: mendose colligis, Pers. 5, 85.
      Sup.: ars mendosissime scripta, Cic. Inv. 1, 6, 8.