Lewis Short
(adj.adv.) : frīvŏlus, a, um, adj.etym. dub.; perh. from frico
* Silly, empty, trifling, frivolous; pitiful, sorry, worthless (mostly post-Aug.; perh. not in Cic.; cf. futtilis).
* Adj.: frivolus hic quidem jam et illiberalis est sermo,Auct. Her. 4, 11, 16: levibus aut frivolis aut manifesto falsis reum incessere (shortly after: quia, qui vana congerit),Quint. 7, 2, 34; Vop. Aur. 3, 1: colligitis lexidia, res taetras et inanes et frivolas,Gell. 18, 7, 3: frivola et inanis argutiola,id. 2, 7, 9: quaedam dicit futtilia et frivola,id. 16, 12, 1: jocus,Plin. 28, 19, 79, § 260: auspicium,Suet. Ner. 41: aura,Phaedr. 5, 8, 1: insolentia,id. 3, 6, 8: jactantia in parvis,Quint. 1, 6, 20: opus,Plin. 22, 6, 7, § 15: labor,Sen. Ep. 31: cura,Plin. 25, 3, 7, § 22: origo superbissimi animalium (i. e. hominis),id. 7, 7, 5, § 43: ratione morientes,id. 11, 29, 35, § 102: flunt in litterarum ostentatione inepti et frivoli,Gell. 15, 30, 2; so, in cognoscendo ac decernendo nonnumquam frivolus amentique similis,Suet. Claud. 15: quin etiam, quod est imprimis frivolum ac scaenicum, verbum petant (declamatores), quo incipiant,Quint. 10, 7, 21: frivolum dictu,Plin. 7, 53, 54, § 186: frivolum videatur, non tamen omittendum,id. 28, 12, 50, § 184: huic misit qui nescio quid frivoli ducentis milibus traderet,some worthless thing, trifle,Suet. Calig. 39 fin.
* Subst.: frīvŏla, ōrum, n.plur., wretched furniture, paltry things, trifles: inter frivola mea,Sen. Tranq. 1; Dig. 13, 7, 11, § 5: jam poscit aquam: jam frivola transfert Ucalegon,Juv. 3, 198; 5, 59; Suet. Calig. 39; Dig. 13, 7, 11, § 5; cf.: frivola σκευάρια εὐτελῆ πάνυ, Gloss. Philox.—Hence, adv.: frī-vŏlē, in a silly manner, triflingly: aliqui mentiuntur,Hier. in Mich. II. 7, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary