significant other
noun
: a person who is important to one's well-being
especially
: a spouse or one in a similar relationship
Examples of significant other in a Sentence
Before you make such an important decision, you should talk it over with your significant other.
she has threatened to divorce her significant other if he doesn't stop gambling
Recent Examples on the Web
Yep, consider this list an early Valentine’s Day gift from us to you (and your significant other).
—
Lindsey Lanquist, StyleCaster, 23 Jan. 2025
You’re ruled by the sun, and this ever-glowing luminary along with Mercury will charge up your committed seventh house of agreements, compromise and significant others between Jan. 19 and 27.
—Valerie Mesa, People.com, 19 Jan. 2025
So this search isn’t about feeling incomplete or insignificant without a significant other.
—Erin Jensen, USA TODAY, 14 Jan. 2025
All six of Laurel Sharpe’s agents are wives or significant others of current or former players (including Madeline Poteet, whose husband Cody was traded from the Yankees to the Cubs for Cody Bellinger earlier this offseason).
—Levi Weaver, The Athletic, 9 Jan. 2025
See all Example Sentences for significant other 
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Lindsey Lanquist, StyleCaster, 23 Jan. 2025
You’re ruled by the sun, and this ever-glowing luminary along with Mercury will charge up your committed seventh house of agreements, compromise and significant others between Jan. 19 and 27.
—Valerie Mesa, People.com, 19 Jan. 2025
So this search isn’t about feeling incomplete or insignificant without a significant other.
—Erin Jensen, USA TODAY, 14 Jan. 2025
All six of Laurel Sharpe’s agents are wives or significant others of current or former players (including Madeline Poteet, whose husband Cody was traded from the Yankees to the Cubs for Cody Bellinger earlier this offseason).
—Levi Weaver, The Athletic, 9 Jan. 2025
See all Example Sentences for significant other
Dictionary Entries Near significant other
Cite this Entry
“Significant other.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/significant%20other. Accessed 30 Jan. 2025.
Copy CitationMedical Definition
significant other
noun
significant oth·er
-ˈət͟h-ər 
: a person who is important to one's well-being
especially
: a spouse or one in a similar relationship
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