Fixed idea
Fear and fixed idea are semantically related. in psychological problem topic. In some cases you can use "Fear" instead a noun phrase "Fixed idea".
Fear
Fear noun - The emotion experienced in the presence or threat of danger.
Fixed idea and fear are semantically related. Sometimes you can use "Fixed idea" instead a noun "Fear".
Cite this Source
Fear and Fixed idea. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fixed_idea/fear
Fixed idea & Fear. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fixed_idea/fear>.
Fear or Fixed idea. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fixed_idea/fear.
Google Ngram Viewer shows how "fixed idea" and "fear" have occurred on timeline