text sign showing under construction. concept meaning building that is unfinished but actively being worked on four

abandoned aborted amateurish crude dabbling defective deferred deficient dilettante faulty formless fragmentary halfbaked halfdone immature imperfect incomplete insufficient lacking ongoing partial plain rough roughhewn shapeless tentative truncated unaccomplished unadorned unassembled uncompleted unconcluded undeveloped undone unexecuted unfashioned unfinished unfulfilled unperfected unpolished unrefined unvarnished