Ex and Significant other
Opposite meaning terms
Ex
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
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Synonyms for Significant other
Ex is an antonym for significant other.
Cite this Source
Significant other and Ex. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/ex/significant_other
Ex & Significant other. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/ex/significant_other>.
Significant other or Ex. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/ex/significant_other.
Google Ngram Viewer shows how "ex" and "significant other" have occurred on timeline