Significant other and Soul mate

Significant other

Significant other noun - The person to whom another is married.
Usage example: she has threatened to divorce her significant other if he doesn't stop gambling

Soul mate and significant other are semantically related. In some cases you can use "Soul mate" instead a noun phrase "Significant other".

Soul mate

Soul mate noun - Someone for whom you have a deep affinity.
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Synonyms for Soul mate

Significant other and soul mate are semantically related. Sometimes you can use "Significant other" instead a noun phrase "Soul mate".
Cite this Source
Soul mate and Significant other. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/significant_other/soul_mate
Significant other & Soul mate. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/significant_other/soul_mate>.
Soul mate or Significant other. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/significant_other/soul_mate.
Google Ngram Viewer shows how "significant other" and "soul mate" have occurred on timeline