Complex
Complex adjective - Having many parts or aspects that are usually interrelated.
Usage example: complex issues regarding free speech and school discipline
Unfathomable and complex are semantically related. in difficult to understand topic. In some cases you can use "Unfathomable" instead an adjective "Complex".
Unfathomable
Unfathomable adjective - Being or seeming to be without limits.
Complex and unfathomable are semantically related. Sometimes you can use "Complex" instead an adjective "Unfathomable".
Mutual synonyms
Related pairs
- deep and complex
- deep and unfathomable
- difficult and complex
- difficult and unfathomable
- profound and complex
- profound and unfathomable
- hard and complex
- hard and unfathomable
- abstruse and complex
- abstruse and unfathomable
- involved and complex
- involved and unfathomable
- obscure and complex
- obscure and unfathomable
Cite this Source
Unfathomable and Complex. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/complex/unfathomable
Complex & Unfathomable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/complex/unfathomable>.
Unfathomable or Complex. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/complex/unfathomable.
Google Ngram Viewer shows how "complex" and "unfathomable" have occurred on timeline