Fear
Fear noun - The emotion experienced in the presence or threat of danger.
Irrationality and fear are semantically related. In some cases you can use "Irrationality" instead a noun "Fear".
Irrationality
Irrationality noun - The state of being irrational; lacking powers of understanding.
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Synonyms for Irrationality
Fear and irrationality are semantically related. Sometimes you can use "Fear" instead a noun "Irrationality".
Nearby Words: irrational, irrationally
Mutual synonyms
Both words in one sentence
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Both are rationalists who are exasperated by irrationality in others; both reject/fear death and seek immortality; and both have a strong interest in space travel.
Cite this Source
Irrationality and Fear. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/fear/irrationality
Fear & Irrationality. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/fear/irrationality>.
Irrationality or Fear. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/fear/irrationality.
Google Ngram Viewer shows how "fear" and "irrationality" have occurred on timeline