unballasted

un·bal·last·ed

U0026700 (ŭn-băl′ə-stĭd)adj.1. Not stabilized or properly stabilized by ballast.2. Unsteady; wavering.

unballasted

(ʌnˈbæləstɪd) adj1. lacking ballast or stabilizing weight2. unstable; unsteady3. (of a railway line) not filled in with gravel or other materials