SynonymDefinitionAntonym.com - English Synonym Dictionary

(`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well

To a severe or serious degree

Very much; strongly

With great intensity (`bad' is a nonstandard variant for `badly')

In a disobedient or naughty way

Evilly or wickedly

Unfavorably or with disapproval

With unusual distress or resentment or regret or emotional display

In a disadvantageous way; to someone's disadvantage

Without skill or in a displeasing manner