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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
without them knowing
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "without them knowing" is correct and usable in written English.
You can use this phrase when you want to describe a situation in which someone is doing something without the knowledge or consent of another person. For example: "I sent the message to my friends without them knowing what I was planning."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(6)
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
How could he and his family escape without them knowing?
News & Media
You can't have anything delivered without them knowing – oh, another parcel for the gay couple upstairs.
News & Media
Ann Brenoff has some cool ideas on how to know more about your kids activity online without them knowing.
News & Media
So I can't really go out without them knowing".
News & Media
Is it OK to portray people without them knowing?
News & Media
This change was without them knowing and without any of them consenting to this change.
Academia
"We're putting celebrities in an awkward situation without them knowing about it.
News & Media
"A good operator learns how to rein them in without them knowing".
News & Media
Ten subjects lifted a box (1.6 kg), of which the mass was increased by 10 kg without them knowing so.
Science
"The drone captured every single person walking into the ceremony without them knowing.
News & Media
Some advertising aims to elicit customer data and information without them knowing.
News & Media
Expert writing Tips
Best practice
When using "without them knowing", ensure the context clearly indicates who "them" refers to, especially in complex sentences.
Common error
Avoid using "without them knowing" when the pronoun "them" is unclear. This can lead to confusion about who is unaware of the action. Clarify the subject to maintain clarity.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "without them knowing" functions primarily as an adverbial phrase. It modifies a verb, clause, or sentence by indicating the manner in which an action is performed—specifically, that it is done without the knowledge or awareness of the individuals referred to by "them". Ludwig AI confirms the validity and common usage of this phrase.
Frequent in
News & Media
47%
Wiki
28%
Science
15%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "without them knowing" is a versatile adverbial phrase used to indicate that an action occurs without the knowledge or awareness of a specific group. Ludwig AI indicates that the phrase is grammatically correct and frequently used. It's commonly found in news articles, wiki articles, and scientific publications. When using this phrase, ensure clarity by explicitly stating who "them" refers to, and be mindful of the ethical implications of acting without someone's knowledge. Alternatives like "unbeknownst to them" or "secretly" can be used depending on the desired tone and context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
without their awareness
Replaces "knowing" with the noun "awareness".
unbeknownst to them
Uses a more formal word to indicate lack of knowledge.
in their absence of knowledge
A longer, more explicit version of the original phrase.
without their realization
Substitutes "knowing" with "realization" to emphasize a lack of understanding.
without their perception
Emphasizes that they did not notice or perceive the action.
without their consent
Highlights the absence of permission, implying a lack of knowledge.
secretly
A single-word adverb emphasizing the hidden nature of the action.
behind their backs
An idiom indicating secrecy and potential betrayal.
surreptitiously
A more formal synonym for "secretly".
unwittingly
Describes the state of the person who is unaware.
FAQs
How can I rephrase "without them knowing" to sound more formal?
For a more formal tone, you can use phrases like "unbeknownst to them" or "without their awareness".
What's a more direct alternative to "without them knowing"?
Alternatives like "secretly" or "surreptitiously" offer a more concise way to express the same idea.
Is it always appropriate to use "without them knowing"?
The appropriateness of using "without them knowing" depends on the context. It's essential to consider the ethical implications of acting without someone's knowledge or consent.
How does "without them knowing" differ from "behind their backs"?
"Without them knowing" is a neutral description of an action taken in someone's absence of knowledge. "Behind their backs" implies a sense of betrayal or deception.
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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
4.5/5
Expert rating
Real-world application tested