Righteous Right"eous, a. [OE. rightways, rightwise, AS. rightw[=i]s; riht right + w[=i]s wise, having wisdom, prudent. See Right, a., Wise, a.] Doing, or according with, that which is right; yielding to all their due; just; equitable; especially, free from wrong, guilt, or sin; holy; as, a righteous man or act; a righteous retribution. Fearless in his righteous cause. --Milton. Syn: Upright; just; godly; holy; uncorrupt; virtuous; honest; equitable; rightful.