Significant other and Single
Opposite meaning terms
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
Single is an antonym for significant other.
Single
Single noun - The smallest whole number or a numeral representing this number.
Significant other is an antonym for single.
Cite this Source
Single and Significant other. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/significant_other/single
Significant other & Single. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/significant_other/single>.
Single or Significant other. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/significant_other/single.
Google Ngram Viewer shows how "significant other" and "single" have occurred on timeline