Complex
Complex adjective - Having many parts or aspects that are usually interrelated.
Heavy-going and complex are semantically related. In some cases you can use "Heavy-going" instead an adjective "Complex".
Heavy-going
Complex and heavy-going are semantically related. Sometimes you can use "Complex" instead an adjective phrase "Heavy-going".
Mutual synonyms
Cite this Source
Heavy-going and Complex. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/complex/heavy-going
Complex & Heavy-going. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/complex/heavy-going>.
Heavy-going or Complex. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/complex/heavy-going.