Thrift is defined as careful management of money, or savings bank or credit union, or a plant which is a member of the genus Armeria, family Plumbaginaceae and order Plumbaginales.(noun)
See thrift in Webster's New World College Dictionary
Origin: ME < ON < thrifast, to prosper: see thrive
See thrift in American Heritage Dictionary 4
Origin: Middle English, prosperity
Origin: , perhaps from Old Norse
Origin: , from thrīfask, to thrive; see thrive.
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