Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
significant other
Grammar usage guide and real-world examplesUSAGE SUMMARY
"significant other" is correct and usable in written English.
You can use it to refer to a person (most often a romantic partner) with whom one shares a close bond in their life. For example: "I was grateful I was able to celebrate my birthday with my significant other."
✓ Grammatically correct
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Significant other sounds too '80s.
News & Media
I have not stalked his significant other.
News & Media
"My significant other was in Oklahoma".
News & Media
Her significant other encountered some legal trouble himself.
News & Media
One might arrive with a significant other or alone.
News & Media
There are significant other tax elements apart from the rates.
News & Media
They may ask if you twerk with your significant other.
News & Media
Though significant, other attacks have been larger.
News & Media
— Record your spouse or your significant other.
News & Media
Step 3: Prove your love to a significant other.
News & Media
Such as your close friends and your significant other.
News & Media
Expert writing Tips
Best practice
Use "significant other" when you want a gender-neutral term to refer to someone's romantic partner without specifying marital status.
Common error
Avoid using "significant other" in very casual conversations; simpler terms like "boyfriend", "girlfriend", or "partner" may be more appropriate.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "significant other" functions as a noun phrase, typically serving as the subject or object of a sentence. It refers to a person with whom one has a close, often romantic, relationship. Ludwig's examples illustrate its use in various contexts to denote a primary relationship.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "significant other" is a widely accepted and commonly used term for referring to a person's romantic partner in a gender-neutral way, as confirmed by Ludwig AI. It functions as a noun phrase, generally found in news and media contexts. Alternatives like "partner", "romantic partner", and "life partner" can be used depending on the specific nuance you wish to convey. While versatile, it's best to avoid overuse in extremely informal settings. Therefore, "significant other" can be used effectively in various situations, provided the context aligns with its slightly formal tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
romantic partner
Focuses specifically on the romantic aspect of the relationship.
life partner
Emphasizes a long-term commitment and shared life.
boyfriend or girlfriend
Specifies the gender and relationship status.
spouse
Refers specifically to a married partner.
domestic partner
Implies a legally recognized partnership without marriage.
better half
An informal and affectionate term for one's partner.
partner in life
Highlights the shared journey and experiences.
main squeeze
A colloquial and playful term for a romantic partner.
significant person
Broader term, not necessarily romantic, but highlights importance.
special someone
Emphasizes the unique and valued nature of the relationship.
FAQs
How to use "significant other" in a sentence?
"Significant other" is used to refer to a person's romantic partner. For instance, "I am planning a surprise party for my "significant other"."
What can I say instead of "significant other"?
You can use alternatives like "partner", "boyfriend", "girlfriend", or "spouse" depending on the context.
Which is correct, "significant other" or "significant other's"?
Both are correct, but they have different uses. "Significant other" is the noun, while "significant other's" is the possessive form, as in, "That is my "significant other's" car".
What's the difference between "partner" and "significant other"?
"Partner" is a more general term that can refer to a business or dance partner, whereas "significant other" almost always refers to a romantic partner. While interchangeable in some romantic contexts, ""significant other"" carries a stronger connotation of emotional importance.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested