unballasted
Un*bal"last*ed, a. 1. Etym: [Properly p. p. unballast.] Defn: Freed from ballast; having discharged ballast. 2. Etym: [Pref. un- not + ballasted.] Defn: Not furnished with ballast; not kept steady by ballast; unsteady; as, unballasted vessels; unballasted wits. Unballasted by any sufficient weight of plan. De Quincey.