preached
v. B2 Upper Intermediate US //ˈpɹitʃt// UK //pɹˈiːtʃt// preached
v. gave a talk about religion or morals, or gave strong advice to others about how they should live.
v. delivered a sermon or religious discourse; advocated for a specific belief or moral stance with earnestness.
The minister preached to the crowd for over an hour.
He often preached about the importance of honesty, though his own actions sometimes suggested otherwise.
The activist preached non-violence to the protesters, drawing heavily on historical examples of successful peaceful resistance to bolster his argument.
Usage
Often used with the preposition 'to' (the audience) or 'about' (the topic).