Fastness
Fastness noun - A high rate of movement or performance.
Strongholds and fastness are semantically related In some cases you can replace term "Strongholds" with "Fastness", this nouns are similar.
Nearby Word: fasten
Strongholds
Fastness and strongholds are semantically related in refuge topic. Sometimes you can use "Fastness" instead a noun "Strongholds".
Cite this Source
Strongholds and Fastness. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/fastness/strongholds
Fastness & Strongholds. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/fastness/strongholds>.
Strongholds or Fastness. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/fastness/strongholds.
Google Ngram Viewer shows how "fastness" and "strongholds" have occurred on timeline