principle
prin-ci-ple · noun
Definitions
noun
- 1.
A fundamental truth or proposition serving as a foundation for belief or action.
- 2.
A rule or belief governing one's personal behavior.
- 3.
A general scientific law or rule.
- 4.
A fundamental source or basis of something.
Forms
plural: principles
Phrases & expressions
- •in principle — In theory; as a general idea.
- •on principle — Because of one's beliefs, not practical reasons.
- •a matter of principle — Something important to one's values.
- •first principles — Fundamental concepts from which others derive.
Related words
Etymology
From Anglo-Norman French, from Old French principe, from Latin principium ("source, foundation, beginning"), from princeps ("first, chief").