Complex
Complex adjective - Having many parts or aspects that are usually interrelated.
Undependable and complex are semantically related. In some cases you can use "Undependable" instead an adjective "Complex".
Undependable
Undependable adjective - Not worthy of reliance or trust.
Complex and undependable are semantically related. Sometimes you can use "Complex" instead an adjective "Undependable".
Cite this Source
Undependable and Complex. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/complex/undependable
Complex & Undependable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/complex/undependable>.
Undependable or Complex. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/complex/undependable.
Google Ngram Viewer shows how "complex" and "undependable" have occurred on timeline