Significant other
Significant other noun - A person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationship.
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Synonyms for Significant other
Someone and significant other are semantically related. In some cases you can use "Someone" instead a noun phrase "Significant other".
Someone
Someone noun - A human being.
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Synonyms for Someone
Significant other and someone are semantically related. Sometimes you can replace phrase "Significant other" with "Someone", this terms are similar.
Cite this Source
Someone and Significant other. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/significant_other/someone
Significant other & Someone. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/significant_other/someone>.
Someone or Significant other. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/significant_other/someone.
Google Ngram Viewer shows how "significant other" and "someone" have occurred on timeline