Un*thrift"ful*ly (?), adv. Not thriftily. [Obs.] "Unthriftfully spent." Sir J. Cheke. { Un*thrift"i*head (?), Un*thrift"i*hood (?) }, n. Unthriftiness. [Obs.] Spenser. Un*thrift"i*ly (?), adv. 1. Not thriftily.