adjective
- of poor quality or low standard
- morally wrong or evil
- harmful or unpleasant
adverb
- badly
Usage: informal
noun
- evil or wrongdoing
Examples
- The movie was really bad.
- Stealing is bad.
- Too much sugar is bad for your teeth.
- She had a bad headache.
- This milk smells bad.
- He wants it bad.
- Good must triumph over bad.