Definition of badly
(adv)
to a
severe or
serious degree; "fingers so badly
frozen they had to be amputated"; "badly injured"; "a severely
impaired heart"; "is gravely ill"; "was seriously ill"
evilly or wickedly; "treated his parents badly"; "to
steal is to act badly"
in a
disobedient or
naughty way; "he behaved badly in school"; "he mischievously looked for a
chance to
embarrass his sister"; "behaved naughtily when they had guests and was
sent to his room"
unfavorably or with disapproval; "tried not to
speak ill of the dead"; "thought badly of him for his
lack of concern"