Noun: moral compass
- An innate sense or acquired understanding of right and wrong that guides a person's behaviour, decisions, and ethical judgments
"Her strong moral compass prevented her from cheating on the exam"; "The politician seemed to have lost his moral compass during the scandal"
- A person, institution, or philosophy that provides ethical guidance
"The teacher became a moral compass for her students"
Derived forms: moral compasses
Encyclopedia: Moral compass