Webster's Revised Unabridged Dictionary · 1913

Unballasted

Unballasted , adjective

[Properly past participle of unballast.]

1.
Freed from ballast; having discharged ballast.
2.
Not furnished with ballast; not kept steady by ballast; unsteady; as, unballasted vessels; unballasted wits.
Unballasted by any sufficient weight of plan. — De Quincey