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
On April 12, a full moon in Libra will shake up your seventh house of commitments, contractual agreements and significant others.
—
Valerie Mesa, People.com, 20 Mar. 2025
The couples now get to send a brief, 30-second video message to their significant others — or not.
—Charlotte Walsh, Vulture, 12 Mar. 2025
Throughout the experience, the couples are shown what their significant others are doing.
—Lissete Lanuza Sáenz, StyleCaster, 12 Mar. 2025
There’s something for everyone in this guide to 10 unique gifts for your significant other!
—Jené Luciani Sena, Fox News, 12 Mar. 2025
See All Example Sentences for significant other
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Valerie Mesa, People.com, 20 Mar. 2025
The couples now get to send a brief, 30-second video message to their significant others — or not.
—Charlotte Walsh, Vulture, 12 Mar. 2025
Throughout the experience, the couples are shown what their significant others are doing.
—Lissete Lanuza Sáenz, StyleCaster, 12 Mar. 2025
There’s something for everyone in this guide to 10 unique gifts for your significant other!
—Jené Luciani Sena, Fox News, 12 Mar. 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 31 Mar. 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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