An erroneous or false idea
Betrayal, especially of a moral obligation
But the truth or falseness of socialism does not affect the theory of history.
A hurried outline of each of these vital branches of our civilization will at once reveal the falseness of the usual periodizing.
(1895), collections of addresses, each taking its title from a lecture criticizing the shallowness and falseness of society, the power of money, &c., A Memoir of Dr Samuel G.
Oresme was the author of several works on astrology, in which he showed its falseness as a science and denounced its practice.