pertinax (that keeps to his opinion; also of things, that do not yield or abate; e.g., diseases): pervicax (constant in endeavors to carry a thing through, or gain a point): obstinatus, affirmatus (the former, firm and constant, in a good sense; the latter, stiff and obstinate, in a bad sense: ☞ contumax, defying, resisting, does not belong to this; refractorius is not classical): an obstinate complaint or disease, morbus perseverans; morbus longinquus (long, tedious); longa et pertinax valetudo (of a long continuance of poor health): an obstinate engagement, proelium or certamen pertinax (☞ proelium firmissimum, caelius in Cic., Ep., 8, 17, extr. = a battle with able-bodied troops): an obstinate silence, obstinatum silentium (e.g., obtinere).