Thriftless, 1) prodigal, extravagant: “he shall spend mine honour with his shame, as t. sons their scraping fathers' gold,” R2 V, 3, 69. “t. ambition, that wilt ravin up thine own life's means,” Mcb. II, 4, 28.
2) unprofitable: “an all-eating shame and t. praise,” Sonn. 2, 8. “what t. sighs shall poor Olivia breathe!” Tw. II, 2, 40.