Difference between Impossible and Unfeasible

IMPOSSIBLE vs UNFEASIBLE: 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) 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

Inconceivable, Unsustainable, Viable, Unattainable, Unsuitable, Unachievable, Unrealistic, Untenable, Unviable, Impractical, Feasible, Impracticable, Impossible, Unworkable, Infeasible

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

Inconceivable, Unsustainable, Viable, Unattainable, Unsuitable, Unachievable, Unrealistic, Untenable, Unviable, Impractical, Feasible, Impracticable, Impossible, Unworkable, Infeasible

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.

Indeed, such retrofitting may well make international product rollouts economically unfeasible.
However, as client numbers grew, home delivery of ART became unfeasible.
Two more business was closed down due to unfeasible economic conditions.
But the overall sentiment does not strike me as unfeasible.
In any case, the KeyShadow time limitations make this unfeasible.
The other method is, to put it very simply, unfeasible.
Testing with all combination might be unrealistic or unfeasible.
But Airis contends the E Street plan is unfeasible.
RCTs are expensive and unfeasible for most organizations.
Earth and unfeasible to observe from astronomical distances.