undoable /ʌnˈduː.ə.bəl/adjective 2noun 1forms 3 adjective2 •Not doable; impossible to do. •Possible to undo; reversible.Many new functions and commands are undoable and a maximum of 30 commands are undoable and redoable. — 2003 noun1 •Something that cannot be done; an impossible or impractical task. formsundoables · more undoable · most undoable
