Difference between Impossible and Insufferable

IMPOSSIBLE vs INSUFFERABLE: NOUN

Not capable of occurring or being accomplished or dealt with
Used of persons or their behavior
Incapable of having existence or of occurring.
Not capable of being accomplished.
Unacceptable; intolerable.
Extremely difficult to deal with or tolerate.
Not possible; incapable of being done, of existing, etc.; unattainable in the nature of things, or by means at command; insuperably difficult under the circumstances; absurd or impracticable; not feasible.
An imaginary quantity. See Imaginary.
Not possible, not able to be done.
Very difficult to deal with.
Totally unlikely

Used of persons or their behavior
Difficult or impossible to endure; intolerable.
Incapable of being suffered, borne, or endured; insupportable; unendurable; intolerable
Offensive beyond endurance; detestable.
Not sufferable; very difficult or impossible to endure.
(used of persons or their behavior) unbearably arrogant or conceited
Too extreme to bear

Not possible; non-existent or false by necessity.
(used of persons or their behavior) not acceptable or reasonable
In law, in a stricter sense, prevented only by the act of God or a public enemy.
Excessively odd; not to have been imagined; such as would not have been thought possible: as, she is a most impossible person; he wears an impossible hat.

Unbearably arrogant or conceited
Not sufferable; not to be endured; intolerable; unbearable: as, insufferable cold or heat; insufferable wrongs.

Insufferable, Unrealizable, Impracticable, Unacceptable, Hopeless, Intolerable, Unworkable, Unimaginable, Unattainable, Unachievable, Unthinkable, Infeasible, Undoable, Unfeasible, Inconceivable

Insupportable, Abominable, Shameless, Awful, Odious, Vile, Miserable, Unbearable, Annoying, Loathsome, Obnoxious, Unsufferable, Unacceptable, Impossible, Intolerable

Insufferable, Unrealizable, Impracticable, Unacceptable, Hopeless, Intolerable, Unworkable, Unimaginable, Unattainable, Unachievable, Unthinkable, Infeasible, Undoable, Unfeasible, Inconceivable

Insupportable, Abominable, Shameless, Awful, Odious, Vile, Miserable, Unbearable, Annoying, Loathsome, Obnoxious, Unsufferable, Unacceptable, Impossible, Intolerable

They may manipulate employees by setting impossible goals.
And now she must make an impossible choice.
SURREY CHAIRMAN The journey was at times impossible.
Without precise figures, it is impossible to estimate.
It is practically impossible to implement programs independently.
Bathroom door opens in, making wheelchair access impossible.
Therefore living in the UK would be impossible.
It would be impossible fairly to do so.
An important feature: timers that trigger on a certain time are impossible in contracts impossible timers.
Everyone said impossible, they all said it was impossible to get done.