Entry 1 sense Webster, 1913 Unwieldy /ən-wēl'-dē/ · Un·wield·y · IPA /ˌʌnˈwɪəl.di/ 01 a. Not easily wielded or carried; unmanageable; bulky; ponderous. 1. Not easily wielded or carried; unmanageable; bulky; ponderous.