What does BADLY mean?

adverb

1. to a severe or serious degree“fingers so badly frozen they had to be amputated”
2. (`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well“he was ill prepared”
3. evilly or wickedly“treated his parents badly”
4. in a disobedient or naughty way“he behaved badly in school”
5. with great intensity (`bad' is a nonstandard variant for `badly')“the injury hurt badly”
6. very much; strongly“I wanted it badly enough to work hard for it”
7. without skill or in a displeasing manner“she writes badly”
8. in a disadvantageous way; to someone's disadvantage“the venture turned out badly for the investors”