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
without a signature
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "without a signature" is correct and usable in written English.
It can be used when referring to a document, agreement, or item that lacks a signature, indicating it is not formally endorsed or validated. Example: "The contract was deemed invalid because it was submitted without a signature."
✓ Grammatically correct
News & Media
Arts
Science
Alternative expressions(20)
without a driver
lack of signatures
means of signature
without a hitch
non-signature
without a deal
without a boss
without a match
without a plan
without a response
want of signature
lack of nourishment
lack of health
without a vote
lack of handwriting
without validation
lack of execution
lack of assent
no signature present
lack of policy
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
31 human-written examples
CAN a restaurant succeed without a signature dish?
News & Media
"Croton is a town without a signature structure or significant recognizable personage or statue," he said.
News & Media
(Only ten brief lyrics had appeared in her lifetime, grudgingly surrendered, and without a signature. One was attributed to Emerson).
News & Media
With gay marriage and Obamacare taken off the table, Republicans now find themselves without a signature phony issue.
News & Media
It was unclear whether the certificate was eventually signed or whether the authorities released the body without a signature.
News & Media
A robot herself, B1 is forcefully played by Kim Criswell, and refuses to relinquish the envelope without a signature.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
29 human-written examples
He is already able to dominate close to the basket without having a signature offensive move.
News & Media
In the Senate, there are no requirements — anyone can do it anonymously, without even a signature.
News & Media
I want to find a way to stop it without loading a signature (which has to be created AFTER the outbreak).
News & Media
Most packages are sent without needing a signature.
Wiki
The demonstration revealed potential security and privacy holes in a new generation of credit cards — cards whose data is relayed by radio waves without need of a signature or physical swiping through a machine.
News & Media
Expert writing Tips
Best practice
When describing official documents or processes, ensure clarity by specifying what the absence of a signature implies, such as invalidity or lack of authorization.
Common error
Avoid using "without a signature" when the context doesn't clearly indicate the document or process being referred to. Always specify what is missing a signature to prevent confusion.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "without a signature" typically functions as an adverbial phrase, modifying a verb or clause to indicate a condition or manner in which something occurs. It describes the absence of a signature in relation to an action or state, as confirmed by Ludwig AI.
Frequent in
News & Media
50%
Science
20%
Arts
10%
Less common in
Academia
10%
Wiki
10%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "without a signature" is a grammatically sound and commonly used phrase. Ludwig AI confirms that it functions as an adverbial phrase indicating the absence of formal endorsement or validation. Predominantly found in News & Media and scientific contexts, it maintains a neutral to professional register. Remember to use it clearly, specifying the document or process lacking the signature to avoid ambiguity. Consider "unsigned" or "lacking a signature" as potential alternatives.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unsigned
A single-word adjective indicating the absence of a signature.
lacking a signature
Directly states the absence of a signature, similar in meaning.
not signed
A simple and direct way to state the absence of a signature.
unauthenticated
Implies the absence of validation, which a signature often provides.
unendorsed
Focuses on the lack of approval or support, often indicated by a signature.
unvalidated
Similar to "unauthenticated", emphasizing the lack of formal confirmation.
without endorsement
Emphasizes the lack of formal approval or support.
without validation
Highlights the absence of formal confirmation.
absent signature
Highlights the lack of a required signature, often in more formal contexts.
void of signature
Similar to unsigned but void is stronger, it puts emphasis on the absence of signature.
FAQs
What does it mean when something is submitted "without a signature"?
Submitting something "without a signature" typically means it lacks formal approval, authorization, or validation, which can render it invalid or incomplete depending on the context.
When is it appropriate to use the phrase "without a signature"?
It's appropriate when referring to documents, agreements, or procedures where a signature is normally required but is missing, impacting its legitimacy or enforceability.
Are there formal alternatives to saying "without a signature"?
Yes, you can use alternatives like "unsigned", "lacking a signature", or "unauthenticated", especially in professional or legal contexts.
How does using "without a signature" affect the tone of a sentence?
Using "without a signature" can create a neutral to slightly negative tone, highlighting a deficiency or lack of formal completion. The impact depends on the surrounding context and the importance of the missing signature.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested