outˈsweeten,v. [out- 18.] trans. To surpass in sweetening or in sweetness. 1611Shakes.Cymb. iv. ii. 224 No, nor The leafe of Eglantine..Out-sweetned not thy breath.1867Tennyson Let. in Life (1897) II. ii. 47 The sweets of office outsweetened by the sweets of out of office.