CEFR B2
intractable
adjective
Meaning 1: when discussing tractable
Not tractable; not able to be managed, controlled, governed or directed. It can have more than one sense, so use the alternate meanings and examples to choose the meaning that matches your sentence.
Meaning 2: sense 2
(of a mathematical problem) Not able to be solved
Meaning 3: sense 3
(of a problem) Difficult to deal with, solve, or manage
Meaning 4: sense 4
(of a person) Stubborn; obstinate
Meaning 5: sense 5
Difficult to treat (of a medical condition)
Meaning 6: sense 6
Difficult to deal with, solve, or manage. (of a problem)
Meaning 7: sense 7
Stubborn; obstinate. (of a person)