Tough, 1) not soft and flexible, but stiff and un-impressible: “my t. senior,” LLL I, 2, 10. LLL I, 2, 10 LLL I, 2, 10 LLL I, 2, 10
2) not easily worn or broken: “we are --er than you can put us to't,” Wint. I, 2, 15. “thy t. commixture melts,” H6C II, 6, 6. “O sides, you are too t.” Lr. II, 4, 200. “upon the rack of this t. world,” V, 3, 314.