Dictionary

lowest common denominator

noun

mathematics : the smallest number that can be divided exactly by all the numbers below the lines in a group of two or more fractions

—used to say that the quality of something is poor because it is designed or intended to appeal to the largest possible number of people

Full Definition of LOWEST COMMON DENOMINATOR

2
:  something of small intellectual content designed to appeal to a lowbrow audience; also :  such an audience

First Known Use of LOWEST COMMON DENOMINATOR

1854

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