Of poor quality or a low standard. adjective
The movie was so bad that we left the theater early.
The food at the restaurant was bad, and I wouldn't recommend it.
Not suitable or desirable. adjective
Smoking is bad for your health.
It's a bad idea to leave your valuables unattended.
Morally reprehensible or wicked. adjective
He was known for his bad deeds in the community.
The villain in the story was truly bad.
Severe or serious. adjective
The storm caused bad damage to the town.
He had a bad injury that required surgery.
Injurious or harmful. adjective
Eating too much sugar is bad for your teeth.
The pollution in the city is bad for the environment.
Regretful or sorry. adjective
I feel bad about missing your birthday party.
She felt bad for not being able to help her friend.
A person who is wicked or evil. noun
In the movie, the bad was finally defeated by the hero.
The story's bad was a cunning and ruthless character.