Adolescence /ˌæd

attitude /ˈæt.ɪ.tjuːd/ /ˈæt ̬.ɪ.tuːd/ noun OPINION
1. [ C or U ] a feeling or opinion about something or someone, or a way of behaving that is caused by this
It's often very difficult to change people's attitudes.
[ + that ] She takes the attitude that children should be allowed to learn at their own pace.
He has a very bad attitude to/towards work.
He seems to have undergone a change in/of attitude recently, and has become much more co-operative.
I don't like your attitude (= the way you are behaving) .
That boy has a real attitude problem (= behaves in a way that makes it difficult for other people to have a relationship with him or work with him) .