1) Badly 2) Imperfectly 3) Improperly 4) Incompetently 5) Insufficiently 6) Laughably 7) Poorly 1) Not enough 2) Not sufficiently 3) Too little 4) Unsatisfactorily 
[adv] - in an inadequate manner or to an inadequate degree
inadequately 1. Descriptive of being too low in quality or too small in amount. 2. Characterized by not being enough.
adverb in an inadequate manner or to an inadequate degree; `the temporary camps were inadequately equipped`