Principal as an adjective means ‘most important’: … [ C ] His guiding principle is that everyone should have equal access to high-quality health care. [ C ] He refused to compromise his …

-sə-bəl 1 : a general or basic truth on which other truths or theories can be based scientific principles 2 : a rule of conduct a person of high principles

A principle is a kind of rule, belief, or idea that guides you. You can also say a good, ethical person has a lot of principles. In general, a principle is some kind of basic truth that helps you …

In law, higher order, overarching principles establish rules to be followed, modified by sentencing guidelines relating to context and proportionality. In science and nature, a principle may define …

Principle, canon, rule imply something established as a standard or test, for measuring, regulating, or guiding conduct or practice. A principle is a general and fundamental truth that …