Complex
Complex adjective - Having many parts or aspects that are usually interrelated.
Heavy and complex are semantically related in characteristic topic. In some cases you can use "Heavy" instead an adjective "Complex".
Heavy
Heavy adjective - Requiring considerable physical or mental effort.
Usage example: until we find our groove, it's going to be heavy sledding on this project
Complex and heavy are semantically related in difficult topic. Sometimes you can use "Complex" instead an adjective "Heavy", if it concerns topics such as serious.
Mutual synonyms
Both words in one sentence
- Animals as Leaders and Periphery pretty much gave djent its identity of lots of complex and heavy chugging mixed with lush and clear interludes.
Source: Follow The Leader / Music -
The problem was that it was ahead of its time: it was heavy, complex, and it burned through ammo quickly.
Source: Stupid Jetpack Hitler - Inhuman: Very complex and character development-heavy sci-fi webcomic that contains its fair share of action scenes as well.
Source: Sci-Fi Webcomics
Cite this Source
Heavy and Complex. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/complex/heavy
Complex & Heavy. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/complex/heavy>.
Heavy or Complex. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/complex/heavy.
Google Ngram Viewer shows how "complex" and "heavy" have occurred on timeline