11
sweetheart(noun, person, love, prize, steady)
6
soulmate
5
beloved(noun, love, prize, steady, companion)
5
boyfriend(noun, love, prize, steady, companion)
4
domestic partner(noun, expression, mate, partner, spouse)
4
darling(noun, love, prize, steady, companion)
4
girlfriend(noun, love, prize, steady, companion)
4
better half(noun, expression, mate, partner, consort)
4
paramour(noun, steady, companion, darling, honey)
3
lover(noun, love, prize, steady, companion)
3
spouse equivalent
3
dear(noun, love, prize, steady, companion)
3
honey(noun, love, prize, steady, companion)
2
dear one(noun, expression, steady, companion, darling)
2
dearest(noun, love, prize, steady, companion)
2
husband(noun, companion, mate, partner, consort)
2
inamorato(noun, love, prize, steady, companion)
2
love
2
mate(noun, steady, companion, partner, consort)
2
pet(noun, love, prize, steady, companion)
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APASmart Define. (2015). significant other thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/significant_other/thesaurus/synonyms
ChicagoSmart Define. 2015. "significant other thesaurus" https://smartdefine.org/significant_other/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, significant other thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/significant_other/thesaurus/synonyms>.
MLASmart Define. "significant other thesaurus" 24 December 2015. Web. 21 September 2026. <https://smartdefine.org/significant_other/thesaurus/synonyms>