Guiltless, a.
1. Free from guilt; innocent. The Lord will not hold him guiltless that taketh his name in vain. Ex. xx. 7.
2. Without experience or trial; unacquainted (with). Such gardening tools, as art, yet rude, Guiltless of fire, had formed. Milton. -- Guilt"less*ly, adv. -- Guilt"less*ness, n.
Shades of meaning
Fernald has no entry of its own for guiltless; he lists it under innocent, pure.
He lists it without comment; the entries above explain its neighbors.
Synonyms
innocentpureabsoluteblamelesschasteclassicclassicalcleanclearcontinentfaultlessgenuineguilelessharmlessholyimmaculateincorruptinnocuousinnoxiousinoffensivemereperfectrealrightrighteoussheersimplesinlessspotlessstainlesstrueunadulteratedunblemisheduncorruptedundefiledunmingledunmixedunpollutedunspottedunstainedunsullieduntainteduntarnisheduprightvirtuous