1. righteous Innocent, in the full sense, signifies not tainted with sin; not having done wrong or violated legal or moral precept or duty; as, an innocent babe. Innocent is a negative word, expressing less Synonyms: innocent, blameless, guiltless, inoffensive, spotless, clean, harmless, pure, stainless, clear, immaculate, right, upright, faultless, innocuous, righteous, virtuous, guileless, innoxious, sinless