1
idol(noun, love, prize, steady, dear)
1
idolizer(noun, steady, companion, admirer, sweetheart)
1
infatuate(noun, steady, companion, admirer, sweetheart)
1
lady friend(noun, expression, concubine, paramour, mistress)
1
live-in lover(noun, expression, mate, partner, spouse)
1
love of my life(noun, expression, idiom, love, prize)
1
number one(noun, expression, love, prize, steady)
1
numero uno(noun, expression, love, prize, steady)
1
object of affection(noun, expression, idiom, love, prize)
1
one and only(noun, expression, idiom, love, prize)
1
petitioner(noun, steady, companion, admirer, sweetheart)
1
solicitor(noun, steady, companion, admirer, sweetheart)
1
someone adored(noun, expression, love, prize, steady)
1
soul mate
1
spousal
1
steady(noun, love, prize, companion, dear)
1
sugar(noun, love, prize, steady, dear)
1
suitor(noun, companion, darling, honey, lover)
1
suppliant(noun, steady, companion, admirer, sweetheart)
1
swain(noun, companion, darling, honey, lover)
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APASmart Define. (2015). significant other thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/significant_other/thesaurus/synonyms
ChicagoSmart Define. 2015. "significant other thesaurus" https://smartdefine.org/significant_other/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, significant other thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/significant_other/thesaurus/synonyms>.
MLASmart Define. "significant other thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/significant_other/thesaurus/synonyms>