intractable

very hard to manage, solve, or control

Roots

-able / -ible: able to be, fit to be, or worthy of
im- / in- (not): not or without
tract / trah: draw, pull, handle, or manage

Other words with the tract / trah root

abstract: existing as an idea rather than a concrete thing
attract: to draw toward
detract: to take away from value or attention
distract: to draw attention away
extract: to draw or pull out
protract: to lengthen or draw out
retract: to draw back or take back

Intractable means not easily handled.

The team faced an intractable scheduling problem.

Intractable does not mean merely difficult. It feels like a thing that will not be pulled into order: a problem, habit, or conflict that resists handling.