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
Maybe a mentor, teacher or significant other is challenging your worldview.
—
Valerie Mesa, PEOPLE, 7 Nov. 2025
When the Chiefs players and their significant others were out celebrating the Super Bowl LVIII victory in Las Vegas, a Cowboys fan joined the party.
—Pete Grathoff, Kansas City Star, 3 Nov. 2025
Glass half-full: The Broncos take those 15 minutes off every third quarter so orange and blue faithful can a) order food; b) pick up beer; c) engage with their significant others or children.
—Joe Nguyen, Denver Post, 2 Nov. 2025
In previous years, the friends have even brought in their significant others to play matching characters.
—Lydia Patrick, MSNBC Newsweek, 30 Oct. 2025
See All Example Sentences for significant other
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Valerie Mesa, PEOPLE, 7 Nov. 2025
When the Chiefs players and their significant others were out celebrating the Super Bowl LVIII victory in Las Vegas, a Cowboys fan joined the party.
—Pete Grathoff, Kansas City Star, 3 Nov. 2025
Glass half-full: The Broncos take those 15 minutes off every third quarter so orange and blue faithful can a) order food; b) pick up beer; c) engage with their significant others or children.
—Joe Nguyen, Denver Post, 2 Nov. 2025
In previous years, the friends have even brought in their significant others to play matching characters.
—Lydia Patrick, MSNBC Newsweek, 30 Oct. 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 17 Nov. 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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