Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

obstĭnātē, adv., v. obstino, P. a. fin.

obstĭno, āvi, ātum, 1, v. a. [a lengthened form of obsto], to set about a thing with firmness or resolution, to set one’s mind firmly on, to persist in, be resolved on a thing (as a verb. fin. very rare; only the Part. as a P. a. is freq.).

        1. (α) With acc.: id inhiat, ea affinitatem hanc obstinavit gratia, Plaut. Aul. 2, 2, 89.
          Pass.: obstinari exorsus, Pac. ap. Paul. ex Fest. p. 193 Müll. (Trag. Rel. p. 425 Rib.).
        2. (β) With inf.: obstinaverant animis aut vincere, aut mori, Liv. 23, 29, 7.
        3. (γ) Absol.: ipso Vespasiano inter initia imperii ad obtinendas iniquitates haud perinde obstinante, Tac. H. 2, 84.
          Hence, obstĭnātus, a, um, P. a., firmly set, fixed, resolved, in a good or bad sense; determined, resolute, steadfast, inflexible, stubborn, obstinate (class.; syn.: pervicax, pertinax): vos qui astatis obstinati, Naev. ap. Paul. ex Fest. p. 193 Müll. (Trag. Rel. p. 11 Rib.): obstinato animo aliquid facere, Att. ap. Paul. ex Fest. l. l. (Trag. Rel. p. 123 Rib.); so, Vulg. Ruth, 1, 18: ad decertandum obstinati animi, Liv. 6, 3, 9: ad silendum, Curt. 8, 1, 30: ad mortem, Liv. 5, 41, 1: adversus lacrimas, id. 2, 40, 3; 3, 47, 4: ad resistendum, Suet. Caes. 15 fin.: contra veritatem, Quint. 12, 1, 10: pudicitia, Liv. 1, 58: fides, Tac. H. 5, 5: aures, Hor. C. 3, 11, 7.
          With inf.: jam obstinatis mori spes affulsit, Liv. 42, 65; 7, 21, 1; 9, 25, 6: obstinatum est tibi, non suscipere imperium, nisi, etc., you are firmly resolved, Plin. Pan. 5, 6.
          Rarely with in: obstinatae in perniciem Romae urbes, Amm. 17, 11, 3: in extrema, Tac. H. 3, 56: militum animos obstinatos pro Vitellio subruere, id. H. 2, 101.
          Comp.: voluntas obstinatior, Cic. Att. 1, 11, 1: adversus lacrimas muliebres, firmer, more steadfast, Liv. 2, 40.
          Sup.: virtus obstinatissima, the most resolute, Sen. Ep. 71, 10: rex obstinatissimus, Amm. 17, 14.
          Hence, adv.: obstĭ-nātē, firmly, inflexibly, in a good and bad sense; resolutely, pertinaciously, stubbornly, obstinately (class.): ita me obstinate aggressus, ut, etc., Plaut. As. 1, 1, 10: operam dat, Ter. And. 1, 5, 8: negari, Caes. B. G. 5, 6: magis ac magis induruisse, Plin. Ep. 1, 12, 10.
          Comp.: obstinatius omnia agere, Suet. Caes. 29.
          Sup.: obstinatissime recusare, Suet. Tib. 67.