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
indexed with
Grammar usage guide and real-world examplesUSAGE SUMMARY
"indexed with" is correct and usable in written English.
You can use it when you are discussing an item that has been assigned an index number or label, for example: "The records were indexed with numbers corresponding to their order of entry."
✓ Grammatically correct
Science
News & Media
Science & Research
Alternative expressions(7)
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
56 human-written examples
The resulting BAM files were indexed with SAMtools "index".
Science
Area-level deprivation in each postcode sector was indexed with the Townsend Material Deprivation Index.
Science
Let X be an n1 × n2 matrix, with rows indexed with 0, 1,..., n1 - 1 and columns indexed with 0, 1,..., n2 - 1. Denote by X i, j the element in the ith row and jth column of X.
"Pitt, Brad" is indexed with "Aniston, Jennifer" (it's hard to keep up in Starland).
News & Media
All generated amplicons were dual indexed with unique 5-mer multiple identifiers (MIDs) from both directions.
Science & Research
The generated amplicons were dual indexed with unique 5-mer multiple identifiers (MIDs) from both directions.
Science & Research
The array of materials in a library plate are indexed with sample location determined in each measurement using printed fiducials.
Science & Research
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
Each name is cross-indexed with demographic and financial information drawn from public records and some commercial sources.
News & Media
The binding energies and energy differences of Ag, Ti and O were well-indexed with their associated standard spectra.
Methodology: YouGov analyzed a database of over 200,000 Americans to identify clothing brands that significantly over-indexed with either millennial Republicans or millennial Democrats.
News & Media
And Local Response is launching with half a million businesses that are already pre-indexed (with search terms).
News & Media
Expert writing Tips
Best practice
When using "indexed with", ensure the index or identifier is clearly defined and consistently applied to maintain clarity and avoid ambiguity.
Common error
Avoid using "indexed with" when a simpler term like "associated with" or "related to" would suffice. Overusing "indexed with" can make your writing sound overly technical or unnatural in contexts where a formal index is not actually involved.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "indexed with" functions as a passive verb construction, indicating that a subject has been assigned an index or identifier. Ludwig confirms its correct usage across various domains.
Frequent in
Science
50%
News & Media
20%
Science & Research
10%
Less common in
Academia
5%
Wiki
5%
Formal & Business
5%
Ludwig's WRAP-UP
In summary, "indexed with" is a grammatically correct and commonly used phrase, as confirmed by Ludwig. It functions as a passive verb construction, primarily used in formal and scientific contexts to describe the systematic organization of data or items. While it's appropriate for technical writing, be mindful of overuse in informal settings. Consider alternatives like "associated with" or "labeled with" when a formal index is not required. Ludwig’s examples and analysis provide a solid foundation for understanding and using this phrase effectively.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
cross-referenced with
Emphasizes a two-way relationship, where items are linked bidirectionally.
associated with
A more general term, indicating a connection but not necessarily a specific index.
tagged with
Suggests the use of labels or keywords for identification.
labeled with
Focuses on the assignment of a descriptive label.
identified by
Highlights the use of a unique identifier to distinguish items.
cataloged under
Implies a systematic arrangement within a catalog or system.
classified by
Indicates categorization based on specific criteria.
keyed to
Suggests a link based on a specific key or code.
correlated with
Highlights a statistical relationship or association.
mapped to
Suggests the use of a map or correspondence to link items.
FAQs
How can I use "indexed with" in a sentence?
Use "indexed with" to describe how data or items are organized and linked to a specific index, such as "The files were indexed with unique identification numbers".
What's a good alternative to "indexed with"?
Depending on the context, alternatives include "associated with", "labeled with", or "cross-referenced with".
When is it appropriate to use "indexed with"?
It's appropriate when referring to a systematic organization where items are linked to a specific index or identifier, often in technical or formal contexts.
What's the difference between "indexed with" and "associated with"?
"Indexed with" implies a structured system of organization using specific indexes, while "associated with" suggests a more general connection or relationship without a defined index.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested