Thrift'i·ly adverb 1. In a thrifty manner. 2. Carefully; properly; becomingly. [ Obsolete] « A young clerk . . . in Latin thriftily them gret [ greeted].» Chaucer. Found on http://www.encyclo.co.uk/webster/T/50
adverb in a thrifty manner; `a used towel that he had used and had left thriftily on the ledge below the mirror rather than consign to the linen basket` Found on https://www.encyclo.co.uk/local/20974