intractable in Russian
intractable in Russian
непода́тливый
непоко́рный
упря́мый
неуправляемый
Not tractable; not able to be managed, controlled, governed or directed.
тру́дный
(maths) (of a mathematical problem) Not able to be solved in polynomial time; too difficult to attempt to solve.
трудная
(maths) (of a mathematical problem) Not able to be solved in polynomial time; too difficult to attempt to solve.
трудноразрешимый
Difficult to deal with, solve, or manage. (of a problem)
трудноизлечи́мый
(medicine) Difficult to treat (of a medical condition).