Complex
Complex noun - A structure that is designed and built for a particular purpose.
Irrational fear and complex are semantically related. In some cases you can use "Irrational fear" instead a noun "Complex".
Irrational fear
Complex and irrational fear are semantically related. Sometimes you can use "Complex" instead a noun phrase "Irrational fear".
Cite this Source
Irrational fear and Complex. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/complex/irrational_fear
Complex & Irrational fear. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/complex/irrational_fear>.
Irrational fear or Complex. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/complex/irrational_fear.
Google Ngram Viewer shows how "complex" and "irrational fear" have occurred on timeline