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
Away from the movie cameras, though, both actors are happily married to their significant others, who are also familiar with Hollywood.
—
Christopher Rudolph, People.com, 11 July 2025
Those interviews and documents showed how offenders of intimate partner violence may not only abuse or even kill their significant other but also irrevocably harm others in their proximity.
Click or tap here to learn more.
—Quinlan Bentley, The Enquirer, 7 July 2025
Among the people attending the vigil was Walker’s significant other, who was also hit in the shooting and appeared on crutches.
—Michael Loria, USA Today, 4 July 2025
Have a conversation with your significant other and children about what your values are or should be.
—Harmon Kong, Forbes.com, 1 July 2025
See All Example Sentences for significant other
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Christopher Rudolph, People.com, 11 July 2025
Those interviews and documents showed how offenders of intimate partner violence may not only abuse or even kill their significant other but also irrevocably harm others in their proximity.
Click or tap here to learn more.
—Quinlan Bentley, The Enquirer, 7 July 2025
Among the people attending the vigil was Walker’s significant other, who was also hit in the shooting and appeared on crutches.
—Michael Loria, USA Today, 4 July 2025
Have a conversation with your significant other and children about what your values are or should be.
—Harmon Kong, Forbes.com, 1 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 15 Jul. 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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