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
There is romance here, though the faces of significant others are generally kept out of frame.
—
Justin Chang, New Yorker, 14 Aug. 2025
Another name that made the list was the talent manager's business associate and apparent significant other, Brittney.
—Edward Segarra, USA Today, 13 Aug. 2025
Still, once Venus meets with Saturn and Neptune on Aug. 25 and 26, you are encouraged to set firm boundaries with yourself or a significant other.
—Valerie Mesa, People.com, 7 Aug. 2025
Wimbledon 2025 has also served as the site where other significant others of professional tennis players can put their own fashion stamp on the tournament.
—Julia Teti, Footwear News, 9 July 2025
See All Example Sentences for significant other
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Justin Chang, New Yorker, 14 Aug. 2025
Another name that made the list was the talent manager's business associate and apparent significant other, Brittney.
—Edward Segarra, USA Today, 13 Aug. 2025
Still, once Venus meets with Saturn and Neptune on Aug. 25 and 26, you are encouraged to set firm boundaries with yourself or a significant other.
—Valerie Mesa, People.com, 7 Aug. 2025
Wimbledon 2025 has also served as the site where other significant others of professional tennis players can put their own fashion stamp on the tournament.
—Julia Teti, Footwear News, 9 July 2025
See All Example Sentences for significant other
Cite this Entry
“Significant other.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/significant%20other. Accessed 20 Aug. 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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