or Left·ist



a member of the political Left or a person sympathetic to its views.


of, pertaining to, characteristic of, or advocated by the political Left.

Origin of leftist

First recorded in 1920–25; left1 + -ist
Related formsleft·ism, nounan·ti·left·ist, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for leftism

Contemporary Examples of leftism

  • The trouble is this: when “leftism” becomes an identity element, it makes leftist politics involuntary.

    The Daily Beast logo
    The Israeli Left's Identity Issues

    Elisheva Goldberg

    December 10, 2012

  • Sarkozy, after all, campaigned against the excesses of 1960s leftism.

    The Daily Beast logo
    Carla on the Couch

    Eric Pape

    October 22, 2009

Historical Examples of leftism

  • No sooner does the Left of some party break off and found a new party than it is immediately confronted by its own Leftism.

British Dictionary definitions for leftism



of, tending towards, or relating to the political left or its principles


a person who supports or belongs to the political left
Derived Formsleftism, noun
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 leftism

1917, from left in the political sense + -ism.



1897, from left (adj.) in the political sense + -ist.

Online Etymology Dictionary, © 2010 Douglas Harper

leftism in Culture


One who holds a left-wing viewpoint; someone who seeks radical social and economic change in the direction of greater equality.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.