adj. Given to, or evincing, thrift; characterized by economy and good management of property; sparing; frugal.adj. Thriving by industry and frugality; prosperous in the acquisition of worldly goods; increasing in wealth; as, a thrifty farmer or mechanic.adj. Growing rapidly or vigorously; thriving; as, a thrifty plant or colt.adj. Secured by thrift; well husbanded.adj. Well appearing; looking or being in good condition; becoming.