as in obsessions
something about which one is constantly thinking or concerned
had this bizarre idée fixe that people were spying on her with electromagnetic waves
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Recent Examples of Synonyms for idées fixes
obsessions
Noun
-
His critics in Democratic politics consider his obsessions dangerous distractions, built on fanciful thinking, from the difficult work of winning elections and regaining power.—
Michael Scherer,
The Atlantic,
22 Jan. 2026 -
Kusher is perfectly cast in the role, mirroring the mannerisms and obsessions of our real-life trillionaires and billionaires.—
Aramide Tinubu,
Variety,
21 Jan. 2026
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“Idées fixes.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/id%C3%A9es%20fixes. Accessed 25 Jan. 2026.
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