Complex
Complex noun - A structure that is designed and built for a particular purpose.
Obsession is a synonym for complex in psychological problem topic. In some cases you can use "Obsession" instead a noun "Complex".
Obsession
Obsession noun - Something about which one is constantly thinking or concerned.
Usage example: her latest obsession is a movie star who she thinks is very handsome
Complex is a synonym for obsession in fixation topic. You can use "Complex" instead a noun "Obsession", if it concerns topics such as preoccupation, phobia.
Mutual synonyms
How words are described
Both words in one sentence
- What appears to be a simple tale about rescuing a princess turns out to be a complex story of a man's obsession, and the atomic bomb, or something.
Source: Mind Screw / Video Games -
However the obsession with beauty is not part of the character here - as her hatred towards Snow White is a bit more complex.
Source: Hot Witch -
Other characters have mentioned how single-minded Ryo's obsession with defending Habaki and his reputation is, with one character noting that such a complex relationship cannot end well.
Source: Daddy's Girl
Cite this Source
Obsession and Complex. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/complex/obsession
Complex & Obsession. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/complex/obsession>.
Obsession or Complex. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/complex/obsession.
Google Ngram Viewer shows how "complex" and "obsession" have occurred on timeline