a. rare. [f. THEFT + -LESS.] a. That is not a theft. b. Not liable to be stolen.
1656. S. H., Gold. Law, 68. How punisht he poor Achan for a theftless theft to see to?
1803. Leyden, Scenes Infancy, iv. 362. Teviots sons devoid of fear Bind to the rush by night the theftless steer.