argumentum ad populum

American  

noun

1. an argument in which something is claimed to be true or valid because it is widely believed, often considered a logical fallacy.

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Example Sentences

Davis’s argumentum ad populum runs into difficulty, however, when he gets to the superdelegates, who, as noted above, are pledged to her without any input from the voters.

From The Wall Street Journal

Instead he went for the argumentum ad populum:

From The Wall Street Journal

There is no doubt that the original Harry Potter fad benefited from the argumentum ad populum phenomena: children are even more prone to it than adults.

From BBC

The implicit message with both was: argumentum ad populum.

From BBC

Argumentum ad populum is the term used to describe the situation when we find ourselves being influenced by popular opinion.

From BBC