pertinaciter
From LSJ
Latin > English
pertinaciter ADV :: tenaciously; obstinately, stubbornly, determinedly; through thick and thin
Latin > English (Lewis & Short)
pertĭnācĭter: adv., v. pertinax.
Latin > French (Gaffiot 2016)
pertĭnācĭtĕr,¹¹ avec ténacité, avec persistance : Quint. 1, 1, 5 ; Suet. Tib. 74 || opiniâtrement, obstinément : Suet. Claud. 40 fin ; Cæs. 1 || -cĭus Hirt. G. 8, 12, 2 ; -issime Suet. Cæs. 81.
Latin > German (Georges)
pertināciter, Adv. (pertinax), I) fest, haerere, Quint.: pertinacissime retinere, sehr fest halten, Plin. – II) übtr., beharrlich, hartnäckig, unablässig, im Guten u. Bösen, in eo manere, Varro: res retinere, Sall. fr.: fusos insequi, Liv.: eam rem gerere, Capitol.: pertinacius insequi, Hirt. b. G.: pertinacissime in sententia permansisse, ibid.: pertinacissime liberalibus studiis deditus, Suet.