badly

badly - adverb

to a severe or serious degree
(`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well
evilly or wickedly
in a disobedient or naughty way
with great intensity (`bad' is a nonstandard variant for `badly')
very much; strongly
without skill or in a displeasing manner
in a disadvantageous way; to someone's disadvantage
unfavorably or with disapproval
with unusual distress or resentment or regret or emotional display

badly - thesaurus