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Definition of leftism

leftism

/ˈlɛfˌtɪz.əm/
left · ism
Plural:leftisms
•
Adjective:leftist
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leftism Lexical Profile

leftism Game Scores & Validity

• noun

1

The political principles, doctrines, or policies of the political left, typically emphasizing social equality, egalitarianism, and reform or socialism.

Example

"The historian traced the rise of modern leftism across twentieth-century European labor movements."

Synonyms
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Antonyms
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• Rhymes for leftism

• Nearby Words

lefthandedness
lefthander
leftish
leftism
leftist
leftmost
leftover

Word Origin & Etymology

Coined in the early 20th century from the political sense of 'left'—originating from the seating arrangement of the 1789 French National Assembly, where radical and egalitarian deputies sat to the left of the presiding officer—combined with the suffix '-ism'.

Cite this Entry

Wordmom. (2026). Definition of Leftism. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/leftism
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