Heavy
Heavy adjective - Having great weight.
Impregnable and heavy are semantically related. In some cases you can use "Impregnable" instead an adjective "Heavy".
Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Heavy and impregnable are semantically related. Sometimes you can use "Heavy" instead an adjective "Impregnable".
Both words in one sentence
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He fought the heavy hitters of Team Kimba and gained their powers, beating them up and getting enough powers to go rob an impregnable diamond exchange.
Source: All Your Powers Combined
Cite this Source
Impregnable and Heavy. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/heavy/impregnable
Heavy & Impregnable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/heavy/impregnable>.
Impregnable or Heavy. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/heavy/impregnable.
Google Ngram Viewer shows how "heavy" and "impregnable" have occurred on timeline