noun, plural fal·si·ties.

the quality or condition of being false; incorrectness; untruthfulness; treachery.
something false; falsehood.

Origin of falsity

1225–75; Middle English falsete < Anglo-French < Late Latin falsitās. See false, -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for falsity

Contemporary Examples of falsity

Historical Examples of falsity

  • The reason is clear, that he did not believe it: he must have known the falsity of the report.

  • That is a horrible blasphemy, the falsity of which will be seen in the future.

    The Memoires of Casanova, Complete

    Jacques Casanova de Seingalt

  • The falsity of the charge against Clay has been proved as nearly as a negative can be.

    Union and Democracy

    Allen Johnson

  • There was, in spite of what the girl called her falsity, something generous about her.

  • But it is not necessary to expose this falsity in its crude and most violent forms.

    Personality in Literature

    Rolfe Arnold Scott-James

British Dictionary definitions for falsity


noun plural -ties

the state of being false or untrue
something false; a lie or deception
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for falsity

1550s, from Old French fauseté (12c., Modern French fausseté), from Late Latin falsitatem (nominative falsitas), from Latin falsus (see false).

Online Etymology Dictionary, © 2010 Douglas Harper