Undoable
Part of speech: adjective
Definition: Not doable Able to be undone
Unachievable
Part of speech: adjective
Definition: That cannot be achieved (or only with great difficulty)
Difference between Undoable and Unachievable
What is the difference between Undoable and Unachievable?
Undoable as an adjective is not doable while Unachievable as an adjective is that cannot be achieved (or only with great difficulty)
We hope you now know whether to use Undoable or Unachievable in your sentence.