Certain
Certain adjective - Having been established and usually not subject to change.
Usage example: a certain percentage of the profits will go to charity
Inexpugnable and certain are semantically related. In some cases you can use "Inexpugnable" instead an adjective "Certain".
Inexpugnable
Inexpugnable adjective - Having been established and usually not subject to change.
Usage example: an inexpugnable belief in the essential goodness of people
Certain and inexpugnable are semantically related. Sometimes you can use "Certain" instead an adjective "Inexpugnable".
Mutual synonyms
Related pairs
Cite this Source
Inexpugnable and Certain. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/certain/inexpugnable
Certain & Inexpugnable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/certain/inexpugnable>.
Inexpugnable or Certain. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/certain/inexpugnable.
Google Ngram Viewer shows how "certain" and "inexpugnable" have occurred on timeline