Badly
Ineptly
Synonyms Poorly, ineptly, inefficiently, deficiently, unsatisfactorily, incorrectly, shoddily, carelessly, awfully, dreadfully, atrociously, miserably, lamentably, dismally, abysmally, crummily, pitifully, egregiously, unfavourably, unfortunately, unluckily, incompetently, inexpertly, imperfectly, defectively, inadequately, faultily, amateurishly, negligently, terribly, abominably, frightfully, wretchedly, deplorably, execrably, appallingly, diabolically, woefully, unsuccessfully, adversely, and unhappily.
Critically
Synonyms Unfavourably, critically, with disfavour, seriously, greatly, acutely, ill, with disapproval, severely, gravely, grievously, and dangerously.
Mischievously
Synonyms Reprehensibly, mischievously, wickedly, harshly, unfairly, wrongly, naughtily, cruelly, unkindly, shamefully, unjustly, and improperly.
Example Sentences
He performed badly on the test.
The dog was hurt badly.
She danced badly at practice.
They treated her badly yesterday.
I badly need a vacation.