outˈbound,v. [out- 18, 17.] trans.a. To surpass in bounding. b. To leap beyond, overleap. 1760–72H. Brooke Fool of Qual. (1809) III. 24 He could out-run the rein-deer, and outbound the antelope.1895Westm.Gaz. 15 Oct. 3/1 It is a case of invention running riot and outbounding restraint.