Outer regions
Outer limits and outer regions are semantically related. In some cases you can use "Outer limits" instead a noun phrase "Outer regions".
Outer limits
Outer regions and outer limits are semantically related. You can use "Outer regions" instead a noun phrase "Outer limits".
Mutual synonyms
Cite this Source
Outer limits and Outer regions. (2017). Retrieved 2026, August 02, from https://thesaurus.plus/related/outer_regions/outer_limits
Outer regions & Outer limits. N.p., 2017. Web. 02 Aug. 2026. <https://thesaurus.plus/related/outer_regions/outer_limits>.
Outer limits or Outer regions. 2017. Accessed August 02, 2026. https://thesaurus.plus/related/outer_regions/outer_limits.
Google Ngram Viewer shows how "outer regions" and "outer limits" have occurred on timeline