Ineptia, ineptiæ, f. g. Terent.Vnaptnes: fondnes: folly: tryfling: a toy.Ineptiæ penè anniles.Cic.Very doting toies and trifles.Lectores ineptiarum. Catul. Of foolish trifies.Facere aliquid ineptiarum. Catul.
Ineptio, ineptis, ineptiui, incptîre Ter. To trisle: to doe or speake a thing vnmeete for the purpose.
Lewis and Short: Latin dictionary
ĭneptĭa, ae, f. [ineptus], silliness, folly, absurdity (in sing. ante- and post-class.): tua, Ter. Ad. 4, 7, 31; Plaut. Merc. prol. 26. —II.Plur.: ĭneptĭae, ārum, sillinesses, fooleries, trifles, absurdities (class.): omnium ineptiarum haud scio an ulla sit major, quam, etc., Cic. de Or. 2, 4, 18; id. ib. 124, 111; id. Rosc. Am. 16, 47: paene aniles, id. Tusc. 1, 39, 93: sententiarum, Suet. Aug. 86: hujusmodi ineptiis se immiscere, Mos. et Rom. Leg. Coll. 15, 2, 3.
ĭneptĭo, īre, v. n. [id.], to talk or act absurdly, to trifle, play the fool (poet.): ineptis, Ter. Ad. 5, 8, 11; id. Phorm. 2, 3, 73: desinas ineptire, Cat. 8, 1.