Meaning of “guilty” - Learner’s Dictionary

guilty

adjective us uk /ˈɡɪlti/
a guilty conscienceThere's no earthly reason why you should feel guilty.I felt guilty about going back to work after the children were born.I feel guilty that I didn't do more to help.People should stop feeling guilty about not going to the gym.
ASHAMED

B1 ashamed because you have done something wrong:

[ + about + doing sth ] I feel so guilty about not going to see them.
LAW

B2 having broken a law:

The jury found her guilty (= decided that she was guilty of a crime).
They found him guilty of rape.
guiltily adverb
guiltiness noun [ U ]

(Definition of “guilty” from the Cambridge Learner’s Dictionary © Cambridge University Press)