Definition of unmanageable
: not manageable : difficult or impossible to control or manage
unmanageable hair an almost unmanageable amount of data The prisoner became unmanageable. an unmanageable temper an unmanageable number of students for one teacher an unmanageable amount of debt
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Merriam-Webster unabridged
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Time Traveler for unmanageable
The first known use of unmanageable was in 1616
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