| Inefficiently (adv.) In an inefficient manner. Thesaurus Entries by halves, defectively, deficiently, dissatisfactorily, faultily, imperfectly, in half measures, in installments, inadeptly, inadmissibly, inaptly, incapably, incompetently, incompletely, inefficiently, ineptly, inexpertly, insufficiently, intolerably, objectionably, partially, poorly, unacceptably, unaptly, undeftly, undesirably, undexterously, unfacilely, unfitly, ungratifyingly, unproficiently, unsatisfactorily, unsatisfyingly, unskillfully, unsubstantially, unsuitably |