From cardinal, meaning basic or of chief importance, and rule. The adjective comes through Old French and Latin from cardo, a hinge, which gave the idea of something on which other matters turn.
From cardinal, meaning basic or of chief importance, and rule. The adjective comes through Old French and Latin from cardo, a hinge, which gave the idea of something on which other matters turn.
What does cardinal rule mean?
Cardinal rule means a rule of central importance, the kind that other decisions or safe conduct depend on.
Can cardinal rule be plural?
Yes. Say cardinal rules when more than one central principle is being named.
Is a cardinal rule just a regular rule?
No. A regular rule may be routine, while a cardinal rule is treated as especially important.
Why is it called cardinal?
Cardinal developed the sense of basic or chief importance from Latin cardo, meaning a hinge, something on which other things turn.
What is a synonym for cardinal rule?
Fundamental rule, first principle, and core principle are close alternatives.