moralize about

moralize about (someone or something)

To discuss or proclaim moral judgments or observations about a particular person or thing, especially in a trite or obvious manner. These politicians need to spend less time moralizing about the nature of drug addiction and homelessness, and spend more time helping the people in society who are most vulnerable. Plenty of people have moralized about the country's dictator, but so far no one has done anything to curb his power.
See also: moralize
Farlex Dictionary of Idioms.

moralize about someone or something

to utter moral platitudes about someone or something. There is no point in moralizing about Carlo. He can't be changed. Why are you moralizing about the election? The people are always right.
See also: moralize
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • moralize
  • moralize about (someone or something)
  • yak at
  • yak at (one)
  • find out how the land lies
  • yack on (at one)
  • yak on (at one)
  • yammer on (at one)
  • stock answer
  • tout (someone or something) as
References in periodicals archive
Kahn sees no need to condemn or moralize about most facets of the gang life he grew up around; he just tells his experiences as they happened, and lets the reader judge for himself or herself.
It is far too easy to pen a searing indictment of war per se, and to moralize about its harmful effects on all concerned.
Unlike Americans, the French did not moralize about weight-loss.
She refers several times to biting criticisms she received from persons who later felt free from a comfortable distance to criticize and even moralize about her behavior during captivity.