Definition of felicific calculus
: a method of determining the rightness of an action by balancing the probable pleasures and pains that it would produce
Test Your Vocabulary
Which Word Does Not Belong?
-
- Which of these words does not mean "nonsense"?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share felicific calculus
Time Traveler for felicific calculus
The first known use of felicific calculus was in 1945
See more words from the same year