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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
sign for someone
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sign for someone" is correct and usable in written English.
It can be used when referring to the act of signing a document or package on behalf of another person. Example: "I was unable to pick up the package, so I asked my neighbor to sign for me."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(1)
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
3 human-written examples
I give him the internationally recognised sign for someone who has sex on his own – well, I would if I dared take a hand off the wheel.
News & Media
She also said a battery of tests showed that his memory fell into the low-average range, a potential warning sign for someone like Mr. Cherry, who, she said, was of average intelligence.
News & Media
A big warning sign for someone like this is if he's too busy checking his phone to listen to you.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
For example, the prevalence of admitted academic cheating of medical students for the four academic misbehaviours that were included in this study were 89.1% for signing for someone else on the attendance sheet, 52.2% for copying answers during a test and 1.6% for using private connections to pass an exam [ 11].
Science
Following the funeral, I looked back and couldn't believe that I had given a eulogy in sign language for someone I had never met.
News & Media
Raising the middle finger – the universally recognised sign for thinking someone else is a dickhead – is just a "thing" him and Kyle Walker do.
News & Media
So if he signed up for someone who looks vaguely like a young Meg Whitman, but winds up with someone who looks like a middle-aged Kim Kardashian — too bad.
News & Media
She ends her e-mail messages with the exhortation "Stay Metal," a funny sign-off for someone who deals mostly in images of flowing water, flowers and the squishier parts of the body, often her own.
News & Media
But when she got to the meeting location for the protest, there were about 50 women with protest signs waiting for someone to get things started.
News & Media
The Giants lost 7-3 as Lincecum's ERA ballooned 9.90, a bit on the high side for someone who recently signed a two-year deal north of $30m.
News & Media
Once you know you have it, it is no longer a sign -- but for someone about to enter in, it is a sign.
Wiki
Expert writing Tips
Best practice
When using "sign for someone", ensure that you have the proper authorization or permission to do so, especially in legal or official contexts.
Common error
Don't assume you can "sign for someone" without explicit consent. Always confirm permission to avoid legal or ethical issues.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sign for someone" functions as a prepositional phrase, typically indicating the act of signing a document or accepting a delivery on behalf of another person. Ludwig confirms its proper usage.
Frequent in
News & Media
33%
Wiki
33%
Science
33%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "sign for someone" is a grammatically correct and usable prepositional phrase, indicating the act of one person signing on behalf of another. Ludwig's analysis suggests the phrase is most commonly found in news, wiki, and scientific contexts. While the phrase is relatively uncommon, it is widely understood and accepted. When using "sign for someone", ensure you have permission to act on their behalf. Common alternatives include "sign on behalf of" or "authorize someone to sign". Overall, this phrase is a straightforward way to communicate representation in signing matters.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
sign on behalf of someone
A more formal and explicit way of saying "sign for someone".
co-sign for someone
Indicates sharing responsibility by signing with someone.
countersign for someone
Adds the nuance of verifying someone else's signature.
endorse for someone
Implies supporting or approving something on behalf of another.
initial for someone
Refers to adding initials instead of a full signature for someone.
authenticate for someone
Focuses on confirming the validity of a document or identity for another person.
validate for someone
Highlights the act of making something officially valid for another person.
put your name down for someone
Suggests registering or committing someone to something.
attest for someone
Involves formally declaring something is true on behalf of another.
subscribe for someone
Specifically relates to subscribing to a service for another person.
FAQs
When is it appropriate to use "sign for someone"?
It's appropriate to use "sign for someone" when you have been given permission to sign a document or receive a package on their behalf. Always confirm you have authorization to avoid issues.
What are some alternatives to "sign for someone"?
You can use alternatives like "sign on behalf of" or "authorize someone to sign" depending on the context.
Is it legal to "sign for someone"?
It can be legal to "sign for someone" if you have been granted the authority to do so, such as with a power of attorney or explicit consent. However, it's illegal to forge a signature without permission.
What's the difference between "sign on behalf of" and "sign for someone"?
The phrase "sign on behalf of" is a more formal way of saying "sign for someone", but they generally have the same meaning.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested