What is the meaning of badly?

adverb

• To a severe or serious degree.
  • usage: "fingers so badly frozen they had to be amputated"; "badly injured"; "a severely impaired heart"; "is gravely ill"; "was seriously ill"
  • synonyms: severely, gravely, seriously
• (adv.) ((`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well)
  • usage: "he was ill prepared"; "it ill befits a man to betray old friends"; "the car runs badly"; "he performed badly on the exam"; "the team played poorly"; "ill-fitting clothes"; "an ill-conceived plan"
  • synonyms: ill, poorly
• Evilly or wickedly.
  • usage: "treated his parents badly"; "to steal is to act badly"
• In a disobedient or naughty way.
  • usage: "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"
  • synonyms: mischievously, naughtily
• With great intensity (`bad' is a nonstandard variant for `badly'. )
  • usage: "the injury hurt badly"; "the buildings were badly shaken"; "it hurts bad"; "we need water bad"
  • synonyms: bad
• Very much; strongly.
  • usage: "I wanted it badly enough to work hard for it"; "the cables had sagged badly"; "they were badly in need of help"; "he wants a bicycle so bad he can taste it"
  • synonyms: bad
• Without skill or in a displeasing manner.
  • usage: "she writes badly"; "I think he paints very badly"
• In a disadvantageous way; to someone's disadvantage.
  • usage: "the venture turned out badly for the investors"; "angry that the case was settled disadvantageously for them"
  • synonyms: disadvantageously
• Unfavorably or with disapproval.
  • usage: "tried not to speak ill of the dead"; "thought badly of him for his lack of concern"
  • synonyms: ill
• With unusual distress or resentment or regret or emotional display.
  • usage: "they took their defeat badly"; "took her father's death badly"; "conducted himself very badly at the time of the earthquake"