Flawless
Flawless adjective - Being entirely without fault or flaw.
Impregnable and flawless are semantically related. In some cases you can use "Impregnable" instead an adjective "Flawless".
Nearby Words: flaw, flawlessly
Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Flawless and impregnable are semantically related. Sometimes you can use "Flawless" instead an adjective "Impregnable".
Mutual synonyms
Cite this Source
Impregnable and Flawless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/flawless/impregnable
Flawless & Impregnable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/flawless/impregnable>.
Impregnable or Flawless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/flawless/impregnable.
Google Ngram Viewer shows how "flawless" and "impregnable" have occurred on timeline