moralistic
mor‧al‧ist‧ic /ˌmɒrəˈlɪstɪk◂ $ ˌmɔː-/
adjective
It’s difficult to talk to teenagers about drugs without sounding too moralistic.
mor‧al‧ist‧ic /ˌmɒrəˈlɪstɪk◂ $ ˌmɔː-/
adjective Word Family: noun: moral, morals, morality ≠ immorality, moralist, amorality; adjective: moral ≠ immoral, amoral, moralistic; verb: moralize; adverb: morally ≠ immorally
with very strong beliefs about what is right and wrong, especially when this makes you judge other people’s behaviour: