sermonize
US /ˈsɝː.mə.naɪz/
UK /ˈsɝː.mə.naɪz/

1.
sermonare, fare la predica
deliver a sermon or moral lecture to someone, especially tediously or dogmatically
:
•
He tends to sermonize about the importance of hard work.
Tende a sermonare sull'importanza del duro lavoro.
•
Please don't sermonize me; I already know what I should do.
Per favore, non sermonarmi; so già cosa devo fare.