DictionarybadPoor quality or unwanted effects
adjective / noun

bad

BAD/bæd/

Unsatisfactory or harmful by ordinary standards.

The cut apple has gone bad, with brown flesh and visible mold.

A cut apple visibly spoiled throughout: collapsed brown flesh, dark rot and fuzzy mold make its poor quality and harmful condition immediately apparent.
Etymology

Bad has no securely established root. Its early meanings included “inadequate” and “unsatisfactory”; it became the broad opposite of good, while evil increasingly focused on moral wrongdoing.

In context

MooLer113:22
there's a desire to just abandon the concept of quality like true quality what makes a a movie good because if there's a bad movie you can't judge it
EFAP #53 - Chatting about "Men are ruining Star Wars" and Opinions with the Australian Triple Threat

More examples

  • Lying about the accident was a bad decision.
  • We must consider both the good and the bad in the proposal.
  • That guitarist is bad, the fan says admiringly after the solo.

Forms

bad · worse · worst

badly adverb — In an unsatisfactory, harmful, or unfortunate way.

Similar words

poor
Often describes low quality rather than moral wrongdoing.
harmful
Specifically emphasizes causing damage rather than being unsatisfactory.