on probation (adverb) experimentally: tentatively
Sinonime: abominably, awkwardly, blunderingly, carelessly, clumsily, crudely, defectively, erroneously, faultily, feebly,
haphazardly, imperfectly, incompetently, ineffectively, ineptly, maladroitly, negligently,
poorly, shoddily, stupidly, unfavorably,
unfortunately, unsatisfactorily, unskillfully, unsuccessfully, weakly,
wrong, wrongly
Antonime: adequately