Expensive
Expensive adjective - Commanding a large price.
Irrational and expensive are semantically related. In some cases you can use "Irrational" instead an adjective "Expensive".
Irrational
Irrational adjective - Not using or following good reasoning.
Expensive and irrational are semantically related. Sometimes you can use "Expensive" instead an adjective "Irrational".
Nearby Words: irrationality, irrationally
Mutual synonyms
Cite this Source
Irrational and Expensive. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/expensive/irrational
Expensive & Irrational. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/expensive/irrational>.
Irrational or Expensive. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/expensive/irrational.
Google Ngram Viewer shows how "expensive" and "irrational" have occurred on timeline