Synonyms & related words for illogical

Find synonyms, related words, and the definition of illogical — including irrational, reasonless, unreasonable, inconsequent, senseless, fallacious. 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 illogical

Explore words related to illogical — words associated with it, words that go with it, and its nearest matches in meaning. Related words include absurd, illogic, illogically, nonsensical, irrationalize, paralogist, preposterous, ludicrous. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for illogical

Common synonyms for illogical include irrational, reasonless, unreasonable, inconsequent, senseless, fallacious, inconsistent, incongruous — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does illogical come from?

The word illogical breaks down into 2 roots of Latin and Greek origin: il-, from Latin in (“not”); and -log, from Greek logos (“word, reason”). Explore each root to see other English words built from the same source.