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
cross topic
Grammar usage guide and real-world examplesUSAGE SUMMARY
"cross topic" is a correct and usable phrase in written English.
You can use it when referring to a conversation or discussion that moves away from its initial focus. For example, "We started talking about our holiday plans, but the conversation soon drifted off to a cross topic."
✓ Grammatically correct
Health Education Research
Environmental Science & Technology
Smart Learning Environments
Computational Social Networks
The New York Times
The Guardian
Modern Inorganic Synthetic Chemistry
European Journal of Public Health
Health Research Policy and Systems
The Economist
Environmental Sciences Europe
Huffington Post
Conflict and Health
BMC Medical Education
BMC Health Services Research
BMJ Open
WikiHow
Plosone
BMC Genomics
Drug Discovery Today
Wikipedia
Biomedical Optics Express
Journal of Transport & Health
EPJ Data Science
EURASIP Journal on Wireless Communications and Networking
Vice
BMC International Health and Human Rights
European Journal of Futures Research
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
1 human-written examples
In order to fully examine intervention reach and adoption, it is important to examine studies that cross topic- and population-boundaries.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
This holds for individual topical areas and geographic regions, as well as for cross-topic linkages.
DeepTutor currently targets the domain of conceptual Newtonian Physics but it is designed with scalability in mind (cross-topic, cross-domain).
Science
It is interesting to see that, even though the per-topic statistics between Arnetminer and Flixster are similar, they show quite different cross-topic overlap behaviors, which can be explained by the nature of the networks.
Today, cross talk topics as innocuous as Beijing's notoriously congested traffic are forbidden on TV or radio.
News & Media
For older pupils, this Ted talk from Michael Chaney, a professor of English at a US university, explores the complexities of the graphic novel form and how caricature and distortion are used to convey messages in a coded manner – an interesting cross-curricular topic for art and literature.
News & Media
It is a cross-disciplinary topic at the intersection of chemistry, nanoscience, biotechnology, and materials science due to its bioinspired nature and intended goal to synthetically construct artificial analogs of biominerals that are self-organized, hierarchically structured, environmentally responsive, and multifunctional.
The most important public health issues identified by individual organizations is naturally linked to their specific field of interest, but some cross cutting topics became apparent such as anti-microbial resistance.
However, the CAM methodology could not be applied to the cross-cutting topic areas -- in order to identify priorities within each of the these three topic areas selected groups of stakeholders (mostly experts) prioritized the potential research topics using agreed criteria for rank-ordering.
He said that he had spoken in the course of a wide-ranging interview crossing many topics.
News & Media
There are few people to handle difficult cross-regional topics such as water resources or climate change, and few linguists fluent in tongues helpful beyond Asia.
News & Media
Expert writing Tips
Best practice
Consider using more common alternatives like "interdisciplinary" or "cross-cutting" if you're concerned about clarity, especially when writing for a broad audience.
Common error
Avoid using "cross topic" when you actually mean a single topic that is simply broad or complex. "Cross topic" implies a specific intersection or overlap between distinct areas, not just a multifaceted subject.
Source & Trust
81%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "cross topic" functions as a descriptive term, often acting as an adjective modifying a noun. It indicates that the subject in question spans or combines multiple topics. Ludwig AI suggests this usage aligns with standard English.
Frequent in
Science
30%
News & Media
25%
Formal & Business
15%
Less common in
Wiki
10%
Encyclopedias
10%
Reference
10%
Ludwig's WRAP-UP
The phrase "cross topic" describes something relating to or involving multiple topics. While grammatically sound and verified as correct by Ludwig AI, its usage is relatively rare. It functions primarily to highlight interconnectedness and overlap, especially in academic and scientific contexts. When considering using "cross topic", evaluate whether alternatives such as "interdisciplinary" or "cross-cutting" might provide greater clarity, or if they are more aligned to the intended meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
interdisciplinary subject
Focuses on the combination of multiple disciplines within a topic.
transdisciplinary theme
Implies a theme that goes beyond individual disciplines to create a new perspective.
multidisciplinary area
Highlights that multiple disciplines are involved, but not necessarily integrated.
cross-cutting theme
Emphasizes a theme that is relevant across different areas.
interlinking topics
Focuses on the connection and relationship between different topics.
overlapping subjects
Highlights areas where different subjects share common ground.
related fields
Indicates that multiple fields are connected or relevant to each other.
convergent topics
Implies that different topics are coming together or intersecting.
integrated areas
Focuses on the combination of different areas into a cohesive whole.
holistic subject
Suggests a topic that encompasses multiple perspectives and is interconnected.
FAQs
How can I use "cross topic" in a sentence?
You can use "cross topic" to describe something that relates to or involves multiple topics. For example, "The research project is designed to explore a "cross topic" relating environmental science and economics".
What are some alternatives to "cross topic"?
Some alternatives to "cross topic" include "interdisciplinary subject", "cross-cutting theme", or "multidisciplinary area". The best choice depends on the specific context and the nuance you want to convey.
Is "cross topic" the same as "interdisciplinary"?
"Cross topic" and "interdisciplinary" are similar, but interdisciplinary specifically refers to combining or involving multiple academic disciplines. "Cross topic" can be used more broadly to refer to the intersection of any topics, not just academic ones.
When is it appropriate to use "cross topic" instead of "interdisciplinary"?
Use "cross topic" when referring to a general intersection of subjects or themes, and use "interdisciplinary" when the context specifically involves academic disciplines being combined.
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
81%
Authority and reliability
3.8/5
Expert rating
Real-world application tested