Definition of "thriftless" [thrift•less]

• Careless in handling money; wasteful. (adjective)
• Archaic Lacking usefulness or value. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "When a cow-puncher is said to be working the grub line, he is known as a thriftless cowman who cannot hold a job long anywhere, and who travels from ranch to ranch, staying only long enough at each to get fed up, then passing on with a few dollars in his pocket, to repeat the operation elsewhere."
• "If many of them lived on the knife-edge of poverty, it was as much a result of their low wages and unsteady employment as any "thriftless" habits of alcoholism or gambling."
• "His use of anecdote is both masterly and thriftless; he takes episodes around which less skilful writers would have built entire chapters and delivers them in a few perfectly weighted sentences."