principles or standards of good behaviour, especially in matters of sex [↪ ethics]:
the morals and customs of the Victorian period
Values and morals are independent of religious faith.
the corruption of public morals (=the standards of behaviour, especially sexual behaviour, expected by society)
a young woman of loose morals (=low standards of sexual behaviour - often used humorously)
a practical lesson about what to do or how to behave, which you learn from a story or from something that happens to you [↪ message]
The moral of the film was that crime does not pay.