Open English Wordnet
Adjectives
(a)unwieldy, unmanageabledifficult to use or handle or manage because of size or weight or shape“we set about towing the unwieldy structure into the shelter”, “almost dropped the unwieldy parcel”
(s)uncontrollable, uncorrectable, unmanageableincapable of being controlled or managed“uncontrollable children”, “an uncorrectable habit”