Leftism

noun

noun ·3 syllables ·Rare ·Advanced level

Definitions

Noun

1
Belief in the principles of left-wing politics. countable, uncountable
2
the ideology of the political left; belief in or support of the tenets of the political left wordnet

Synonyms

left left wing liberalism progressivism

Example

"Antisemitism is leftism for fools."

Etymology

From left + -ism.

Related phrases

Islamo-leftism anarcho-leftism regressive leftism left wing

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.