To require beforehand.
1. Etym: [Properly p. p. unballast.] Freed from ballast; having discharged ballast. 2. Etym: [Pref. un- not + ballasted.] Not furnished with ballast; not kept steady by ballast; unsteady; as, unballasted vessels; unballasted wits. Unballasted by any sufficient weight of plan. De Quincey.