ˈout-spent,ppl.a. [out- 11.] Exhausted, completely spent. 1652Benlowes Theoph. vii. xxxvii, Lord fill My out-spent raptures by thy all repairing skill.1821Shelley Prometh. Unb. iii. iv. 141 His own [will] Which spurred him, like an outspent horse, to death.