an-nītor (better adn-), nīsus or nixus, 3, v. dep. Lit., to press upon or against, to lean upon; with ad or dat. (most freq. after the commencement of the Aug. per.): natura ad aliquod tamquam adminiculum adnititur, Cic. Lael. 23, 88: hasta ingenti adnixa columnae, Verg. A. 12, 92: stant longis adnixi hastis, id. ib. 9, 229: Latona oleae adnisa, Tac. A. 3, 61.

— Trop., to take pains about something, to exert one's self, strive; constr. with ut or ne. or a gerund with ad (mostly prose). With ut or ne: quo mihi acrius adnitendum est, ut, etc., Sall. J. 85, 6; Liv. 6, 6: omni ope adnisi sunt, ut, etc., id. 8, 16; 22, 58; Plin. 7, 53, 54, § 186: omni ope adniti, ne quis e plebe, etc., Plin. Pan. 25 fin.

— Ad ea patranda omnis civitas summo studio adnitebatur, Sall. J. 43, 4; Liv. 27, 14.

—Other constructions: With de: nisi Bibulus adniteretur de triumpho, Cic. Att. 6, 8; Liv. 5, 25.

— With pro: patres non temere pro ullo aeque adnisi sunt, Liv. 2, 61.

—（ε) With acc. of pron., Plin. Ep. 6, 18.

—（ζ) With inf.: adnitentibus retinere morem, Tac. H. 4, 8; 5, 8.

—（η) Absol.: adnitente Crasso, Sall. C. 19, 1; so id. J. 85, 47; Liv. 21, 8.!*? adnītendus, a, um, in pass. signif.: si in concordiā adnitendā (i. e. procurandā), Gell. 2, 12, 5.