Difference between Impossible and Unworkable

IMPOSSIBLE vs UNWORKABLE: NOUN

Totally unlikely
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.
Not capable of occurring or being accomplished or dealt with

Not capable of being carried out or put into practice
Not workable, especially not capable of being put into practice successfully; not practicable.
Not workable or operable; not practical; unmanageable

(used of persons or their behavior) not acceptable or reasonable
Not possible; non-existent or false by necessity.
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.

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

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

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.

Hurthought a timing requirement could prove rigid and unworkable.
The Convention, they say, is outdated, unworkable and irrelevant.
That is unworkable and against everything we should want.
John Woodhead declares partition unworkable after Arab riots.
Such steps would be both offensive and unworkable.
Commissioners regarding his authority made the Commission unworkable.
Such a distinction is logicallyindefensible and practically unworkable.
Shambolic and Unworkable: Outsourcing of Court Interpreting Services.
Exchange, but concluded that the approach was unworkable.
The IBM Holding is Internally Inconsistent and Unworkable Finally, the IBM rule is unworkable.