cardinal virtue
noun
anything considered to be an important or characteristic virtue: Tenacity is his cardinal virtue.
cardinal virtues, Ancient Philosophy.
justice, prudence, temperance, and fortitude.
Origin of cardinal virtue
Middle English word dating back to 1300–50
Words nearby cardinal virtue
British Dictionary definitions for cardinal virtues
cardinal virtues
pl n
the most important moral qualities, traditionally justice, prudence, temperance, and fortitude