Complex
Complex adjective - Having many parts or aspects that are usually interrelated.
Formidable and complex are semantically related. in property topic. In some cases you can use "Formidable" instead an adjective "Complex".
Formidable
Formidable adjective - Requiring considerable physical or mental effort.
Usage example: running a marathon is a formidable undertaking
Complex and formidable are semantically related. Sometimes you can use "Complex" instead an adjective "Formidable".
Nearby Word: formidably
Both words in one sentence
- Hinata learns to apply more complex thought and technique to his spikes, and becomes a much more formidable opponent on the court in the Spring tournament.
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His son Martin in The Fly II eventually metamorphoses into a formidable insect man-beast who effortlessly tears his way through an entire complex full of heavily armed guards.
Source: Superior Successor
Cite this Source
Formidable and Complex. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/complex/formidable
Complex & Formidable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/complex/formidable>.
Formidable or Complex. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/complex/formidable.
Google Ngram Viewer shows how "complex" and "formidable" have occurred on timeline