English definition of “virtue”
ADVANTAGE [C, U] › an advantage or useful quality: The great virtue of having a small car is that you can park it easily.
GOOD QUALITY [C] › a good quality that someone has: Patience is not among his virtues.
MORAL BEHAVIOUR [U] › behaviour that is morally good
by virtue of sth formal › because of something: She succeeded by virtue of hard work rather than talent.