Complicated and Impenetrable

Complicated

Complicated adjective - Having many parts or aspects that are usually interrelated.
Usage example: a complicated apparatus

Impenetrable and complicated are semantically related in complex topic. In some cases you can use "Impenetrable" instead an adjective "Complicated".

Nearby Words: complex, complication, complicating, complicative

Impenetrable

Impenetrable adjective - Impossible to get through or into.

Complicated and impenetrable are semantically related in complex topic. Sometimes you can use "Complicated" instead an adjective "Impenetrable".

Nearby Words: impenetrability, impenetrably
Cite this Source
Impenetrable and Complicated. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/complicated/impenetrable
Complicated & Impenetrable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/complicated/impenetrable>.
Impenetrable or Complicated. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/complicated/impenetrable.
Google Ngram Viewer shows how "complicated" and "impenetrable" have occurred on timeline