being such that a cure is impossible; "an incurable disease"; "an incurable addiction to smoking"
51
impossible
not capable of occurring or being accomplished or dealt with; "an impossible dream"; "an impossible situation"
3
incurable
without hope of cure; "incurable cancer"
1
difficult
not easy; requiring great physical or mental effort to accomplish or comprehend or endure; "a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "a difficult child"; "found himself in a difficult situation"; "why i
