Lewis Short
(adj.adv.) : in-festus, a, um, adj.2. in-festus for fenstus, from fendo; whence defendo, infensus
* Made unsafe, disturbed, molested, infested; unquiet, unsafe (class.; cf. infensus).
* Lit.: via excursionibus barbarorum infesta,Cic. Prov. Cons. 2, 4: iter,id. Phil. 12, 10: civitas,Liv. 3, 24: omnia infesta serpentibus,Sall. J. 89: sua tuta omnia, infesta hostium (omnia),Liv. 2, 49: vita,Cic. Rosc. Am. 11: infestum agrum reddere,to make unsafe,Liv. 2, 11: mare infestum habere,to disturb, render insecure,Cic. Att. 16, 1: infestam habere Macedoniam,Liv. 26, 24.—Comp.: infestior salus,Cic. Planc. 1: senectus,Liv. 1, 47. — Sup.: infestissima pars Ciliciae,Cic. Fam. 2, 10, 3.
* Transf., act., that renders unsafe, that acts in a hostile manner, hostile, inimical, troublesome, dangerous: irrupit in Galliam, quam sibi armis animisque infestam inimicamque cognovit, Cic. Phil. 10, 10, 21: provincia huic victoriae maxime infesta,id. Lig. 8, 24: gens infestissima nomini Romano,Sall. C. 52: pestis infesta rei publicae,Cic. Cat. 1, 5: infestus in cognatos,Auct. Her. 4, 40, 52: exercitu infesto in agrum Sabinum profecti,Liv. 2, 36; cf.: infestis signis impetum facere,Caes. B. C. 3, 93; so freq.: infestis signis,Cic. Font. 16; Caes. B. G. 6, 7; 7, 52; Liv. 2, 30 al.: infestis pilis procurrere,Caes. B. C. 3, 93: infestis pilis proturbare,Tac. H. 1, 31 fin.: infesto spiculo aliquem petere,Liv. 2, 20: infesta tela ferre,Verg. A. 5, 582: infestis oculis conspici,Cic. Cat. 1, 7, 17: infesta virtutibus tempora,Tac. Agr. 2: scelus,Cic. Clu. 66, 188: atque inimicus clamor,Cic. Verr. 2, 1, 5: animo infestissimo aliquem intueri,id. ib. 2, 5, 55: bellum,Liv. 9, 12: missus morbus infesto a numine,Juv. 13, 231.—Hence, adv.: infestē, hostilely, violently, outrageously: quae illi infeste in nos fecerint,Liv. 26, 13, 7; Vell. 2, 45, 3. — Comp., Liv. 2, 55; 8, 33; 28, 29.— Sup., Cic. Quint. 21 (with inimicissime), Quint. 11, 8, 10.
Charlton T. Lewis, Charles Short, A Latin Dictionary