Meaning of “answer for sth” - Learner’s Dictionary

answer for sth

phrasal verb with answer uk us /ˈɑːnsər/ verb

to be responsible for something, or punished for something:

Do you think parents should have to answer for their children's behaviour?
have a lot to answer for

to be the main cause of something bad that has happened:

"Why is violent crime on the increase?" "Well, I think television has a lot to answer for."

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