supreme or highest in power; superior to all others; chief; as, our sovereign prince.-independent of, and unlimited by, any other; possessing, or entitled to, original authority or jurisdiction; as, a sovereign state; a sovereign discretion.-princely; royal.-predominant; greatest; utmost; paramount.-efficacious in the highest degree; effectual; controlling; as, a sovereign remedy.-the person, body, or state in which independent and supreme authority is vested; especially, in a monarchy, a king, queen, or emperor.-a gold coin of great britain, on which an effigy of the head of the reigning king or queen is stamped, valued at one pound sterling, or about $4.86.-any butterfly of the tribe nymphalidi, or genus basilarchia, as the ursula and the viceroy.