cardinal rule

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Noun

[edit]

cardinal rule (plural cardinal rules)

  1. A fundamental rule, upon which other matters hinge.
    • 2011, John Randall Tabor, Homer Is Where the Heart Is, page 132:
      Obviously they were well aware of the cardinal rule of being a college freshman: all's fair in innocent prankage.

References

[edit]