f., older form syn-ð, syn-þ, shewing that the d is inflexive, svnþ, svnþir (sins), Mar. pref. xxxii, xxxiii, Eluc., Greg., passim; [A. S. syn and synn, whence the Norse word may have been borrowed when Christianity came in, for it does not occur in poets of the heathen age; Engl. sin; Germ. sünde; Dan. synd]:—a sin (it prop. means ‘negation, denial,’ no doubt referring to denial by oath of compurgators, ordeal, or the like). Mar., Stj., Bs., H. E., passim in old and mod. writers in an eccl. sense only, for the very word implies a Christian, not a heathen, notion (the heathens said glæpr or the like); synda-freistni, bót, auki, band, bruni, byrðr, dauði, daunn, díki, flekkr, fýsi, gjald, görð, iðran, játning, kyn, lausn, lifnaðr (líf), líkn, saurgan, saurr, sár, sótt, verk, = the temptation, atonement …, sickness, work of sin, H. E. i. 462, 522, Greg. 9, 18, 19, 22, 45, 46, 73, K. Á. 76, Stj. 51, 119, 123, 142, 145, 162, 220, Rb. 82, 400, Hom. 5, 11, 41, 48, 59, 73, Vm. 84, Magn. 542, and passim; synda far, Stj. 123; synda þræll, Hom. 94.

COMPDS: syndafullr, syndalauss, syndaliga, syndaligr, syndamaðr, syndaþræll.