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
The same goes for scrolling social media, watching TV or getting into arguments with your significant other.
—
Charles Trepany, USA Today, 14 May 2026
Both were betrayed by their friend and significant other.
—Armando Tinoco, Deadline, 11 May 2026
Season 2, which hit Netflix on May 6, includes the stories of four people who committed various crimes involving their significant others.
—Caroline Blair, PEOPLE, 9 May 2026
Seventy-eight percent of Gen Zers say financial responsibility is an important trait when choosing a significant other, according to a 2025 Bank of America survey.
—Gili Malinsky, CNBC, 1 May 2026
See All Example Sentences for significant other
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Charles Trepany, USA Today, 14 May 2026
Both were betrayed by their friend and significant other.
—Armando Tinoco, Deadline, 11 May 2026
Season 2, which hit Netflix on May 6, includes the stories of four people who committed various crimes involving their significant others.
—Caroline Blair, PEOPLE, 9 May 2026
Seventy-eight percent of Gen Zers say financial responsibility is an important trait when choosing a significant other, according to a 2025 Bank of America survey.
—Gili Malinsky, CNBC, 1 May 2026
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 16 May. 2026.
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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