Webster's 1828 Dictionary
UNMANAGEABLE
a. 1. Not manageable; not easily restrained, governed or directed; not controllable.
2. Not easily wielded.
New American Oxford Dictionary
unmanageable
un man age a ble |ˌənˈmanijəbəl ˌənˈmænəʤəbəl | ▶adjective difficult or impossible to manage, manipulate, or control: his behavior was becoming unmanageable at home. DERIVATIVES un man age a ble ness noun, un man age a bly |-blē |adverb
Oxford Dictionary
unmanageable
un |man ¦age |able |ʌnˈmanɪdʒəb (ə )l | ▶adjective difficult or impossible to manage, manipulate, or control: his behaviour was becoming unmanageable at home. DERIVATIVES unmanageableness noun, unmanageably adverb
American Oxford Thesaurus
unmanageable
unmanageable adjective 1 the huge project was unmanageable: troublesome, awkward, inconvenient; cumbersome, bulky, unwieldy. 2 his behavior was becoming unmanageable: uncontrollable, ungovernable, unruly, disorderly, out of hand, difficult, disruptive, undisciplined, wayward, refractory, restive; archaic contumacious.
Oxford Thesaurus
unmanageable
unmanageable adjective 1 the huge Victorian house was unmanageable and uneconomic: troublesome, demanding, awkward, inconvenient; cumbersome, bulky, unmanoeuvrable, unwieldy, incommodious. ANTONYMS manageable. 2 his behaviour was becoming unmanageable at home: uncontrollable, ungovernable, irrepressible, unruly, disorderly, rowdy, out of hand, wild, boisterous, difficult, disruptive, ill-disciplined, undisciplined, refractory, recalcitrant, intractable, impossible, obstreperous, fractious, wayward, incorrigible; informal stroppy; archaic contumacious. ANTONYMS manageable, controllable.
Sanseido Wisdom Dictionary
unmanageable
ù n m á n age a ble 形容詞 〈物が 〉使いにくい, 手におえない ; 〈人が 〉勝手気ままな .