intractable
adjective
[ ɪnˈtraktəb(ə)l ]
• hard to control or deal with.
• "intractable economic problems"
Similar:
unmanageable,
uncontrollable,
ungovernable,
out of control,
out of hand,
impossible to cope with,
difficult,
awkward,
complex,
troublesome,
demanding,
burdensome,
Origin:
late 15th century: from Latin intractabilis, from in- ‘not’ + tractabilis (see tractable).