This meaning is about feeling sorry or bad because you did something wrong. People often feel guilty when they hurt others or break rules.
She felt guilty about the mistake.
He looks guilty after breaking the vase.
This meaning is used in law. When a person is found guilty, it means a judge or jury has said they did a crime or wrong act.
The jury found him guilty of theft.
She was guilty in the court case.
This meaning is about feeling sorry for small mistakes, like being late or forgetting something. It shows a light feeling of blame.
I feel guilty for being late today.
She felt guilty for forgetting the keys.
Sometimes 'guilty' describes expressions or looks that show someone feels blame or fault. It can describe behavior or signals, not just feelings.
He gave a guilty smile after the joke.
Her guilty look showed she knew the truth.
'Guilty pleasure' is a common phrase. It means liking something that is not very good for you or is silly, but you enjoy it anyway.
Watching TV all day was a guilty pleasure.
Chocolate is my guilty treat at night.