I.stiff, hard, inflexible, rigid (mostly poet. and in postAug. prose; cf. durus).
I. Lit.: “pruinae,” Lucr. 2, 521; cf.: “rigidum permanat frigus ad ossa,” id. 1, 355: “tellus,” Verg. G. 2, 316: “aqua,” Ov. Tr. 3, 10, 48: “umbrae,” Lucr. 5, 764: “frigus,” id. 1, 356: “cervicem rectam oportet esse non rigidam aut supinam,” Quint. 11, 3, 82; cf. id. 11, 3, 160; so, “cervix,” Liv. 35, 11; Suet. Tib. 68; Ov. Tr. 1, 4, 14: “artus morte,” Lucr. 6, 1196: “crura,” Cic. N. D. 1, 36, 101: “rostrum,” Ov. M. 5, 673: “cornu,” id. ib. 9, 85: “setae,” id. ib. 8, 428: “capilli,” id. ib. 10, 425: “oculi (with extenti),” Quint. 11, 3, 76 et saep.: “quercus,” Verg. E. 6, 28; cf. “columnae,” Ov. F. 3, 529: “malus,” id. H. 5, 53.— “In mal. part.: illud,” Petr. 134, 11; cf. Mart. 6, 49, 2.— “Hence: custos ruris,” i. e. Priapus, Ov. F. 1, 391; Auct. Priap. 46; and absol.: rĭgĭda , f., Cat. 56, 7: “silices,” hard, Ov. M. 9, 613; 225: “saxum,” id. ib. 4, 517: “mons,” hard, rocky, id. ib. 8, 797: “Niphates,” Hor. C. 2, 9, 20: “ferrum,” Ov. R. Am. 19: “serae,” id. F. 1, 124: “ensis,” Verg. A. 12, 304; Ov. M. 3, 118: “hasta,” Verg. A. 10, 346: “unguis,” Ov. Am. 2, 6, 4 et saep.—
II. Trop., stiff, hard, inflexible, rigid; hardy, stern, rough (syn.: “tristis, severus): vox,” hard, harsh, Quint. 11, 3, 32: “Sabini,” rough, rude, unpolished, Hor. Ep. 2, 1, 25; Ov. M. 14, 797: “Getae,” Hor. C. 3, 24, 11; Ov. Tr. 5, 1, 46: “fossor,” hardy, Mart. 7, 71, 4; cf. “manus,” Ov. M. 14, 647: “virtutis verae custos rigidusque satelles,” stern, inflexible, Hor. Ep. 1, 1, 17; so, “censor,” Ov. A. A. 2, 664: “parens,” id. M. 2, 813: “senes,” id. F. 4, 310: “mens,” id. H. 3, 96: “vultus,” id. ib. 4, 73: “rigidi et tristes satellites,” Tac. A. 16, 22: “(Cato) rigidae innocentiae,” Liv. 39, 40, 10; cf. “of the younger Cato: rigidi servator honesti,” Luc. 2, 389; so, “mores,” Ov. R. Am. 762: “rigida duraque sententia Macri,” Plin. Ep. 4, 9, 19; Sen. Ep. 11, 10; 21, 3; 81, 4: “Mars,” rough, fierce, Ov. M. 8, 20: “leo,” Mart. 10, 65, 13.— Comp.: “quis non intellegit Canachi signa rigidiora esse quam ut imitentur veritatem?” too stiff, hard, harsh, Cic. Brut. 18, 70: “similis in statuariis differentia ... jam minus rigida Calamis fecit,” Quint. 12, 10, 7.— Sup.: “Abdera fatua et stoliditatis rigidissimae,” Arn. 5, 164.—Hence, adv.: rĭgĭdē .
a. Inflexibly; in a straight line, Vitr. 2, 3, 2; Sen. Ben. 2, 17, 4.—
b. Rigorously, severely, Ov. Tr. 2, 251.— Comp.: “disciplinam militarem rigidius adstringere,” Val. Max. 9, 7 fin.