(plural prime directives)
- An order or mission which presents the overriding control over a course of action.
- 1955: René Albrecht-Carrié, Europe After 1815, p. 32:
- 1946: University of Iowa/University of Chicago, The Journal of General Education, p. 160:
- Such probes would not invalidate the prime directive that a work of art must stand upon its intrinisic artistic merits
- 1902: University of Michigan Law School, Michigan Law Review p. 1949: