Principle | Mean of principle in English Dictionary

/ˈprɪnsəpəl/

• Noun
• a moral rule or belief that helps you know what is right and wrong and that influences your actions
1. He has good principles.
2. It's against my principles to cheat. [=I believe that cheating is wrong]
3. As a matter of principle, he would not accept the gift. [=he did not feel that it was right to accept the gift]
4. She refused on principle [=because of her beliefs] to give toy guns to the children.
• a basic truth or theory
1. well-established economic principles
2. His investment strategy is based on the principle that the stock market offers the best returns for long-term investors.
• a law or fact of nature that explains how something works or why something happens
1. the basic principles of hydraulics/magnetism

• in a general way and without giving attention to details
1. They accepted the offer in principle.