Synonyms & related words for irrationality

Find synonyms, related words, and the definition of irrationality — including unreason, unreasonableness, illogicality, illogic, rabidness, lunacy. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to irrationality

Explore words related to irrationality — words associated with it, words that go with it, and its nearest matches in meaning. Related words include irrational, irrationalize, antirational, rationality, rationalness, absurdity, meshugaas, absurdness. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for irrationality

Common synonyms for irrationality include unreason, unreasonableness, illogicality, illogic, rabidness, lunacy, senselessness, craziness — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does irrationality come from?

The word irrationality breaks down into one root of Latin origin: the root rat-, from Latin reor (“reckon, reason”). Explore each root to see other English words built from the same source.