97 entries under noun topic. ×
| helper(companion, spouse, wife, husband) | |
| helpmeet(mate, partner, consort, spouse) | |
| kept woman(expression, concubine, paramour, mistress) | |
| lady's man | |
| lovebird(steady, companion, darling, honey) | |
| main squeeze | |
| married woman(expression, partner, spouse) | |
| monogamist(partner, spouse) | |
| other half(expression, companion, partner, spouse) | |
| pal(companion, spouse, wife, husband) | |
| participant(companion, spouse, wife, husband) | |
| partner(companion, mate, consort, spouse) | |
| playmate(companion, spouse, wife, husband) | |
| precious(darling, honey, sugar, dearest) | |
| roommate(partner, spouse, wife) | |
| teammate(companion, spouse, wife, husband) | |
| courtesan(concubine, paramour, mistress) |
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| APA | Smart Define. (2015). significant other thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/significant_other/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "significant other thesaurus" https://smartdefine.org/significant_other/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, significant other thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/significant_other/thesaurus/synonyms>. |
| MLA | Smart Define. "significant other thesaurus" 24 December 2015. Web. 30 September 2026. <https://smartdefine.org/significant_other/thesaurus/synonyms> |