a complex subject

USAGE SUMMARY

The phrase "a complex subject" is correct and usable in written English.
You can use it when referring to a topic that has multiple layers, intricacies, or is difficult to understand. Example: "The theory of relativity is a complex subject that requires a deep understanding of physics."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

Migration is a complex subject.

The Guardian - Opinion

Health insurance financing is a complex subject.

The New York Times

Global trade is a complex subject where economics and geopolitics converge.

The Guardian

It instructs and illuminates as it delivers a deeply satirical meditation on a complex subject.

The New York Times - Books

Climate is a complex subject, and definitive answers will require more study.

The New York Times

Who would not like to master a complex subject in the space of a single afternoon?

The New York Times - Books

But as the laboratory's chief, Dr. Stephen J. O'Brien, points out, mammalian evolution is a complex subject.

The New York Times - Science

But there is value in having to work at understanding a complex subject, and Kuklin offers plenty of help.

The New York Times - Books

His projects have had blips, although precise responsibility for these, as always in building projects, is a complex subject.

The Guardian - Arts

The design of buildings for seismic forces remains a complex subject, however, and there are many other important criteria involved.

Encyclopedia Britannica

This is a complex subject, and real reforms will need the backing of a much wider group than the G7.

The Economist

Expert writing Tips

Best practice

When introducing "a complex subject", provide context or background information to help the audience understand the basic principles before diving into intricate details. This approach will make the subject more accessible and prevent confusion.

Common error

Avoid using "a complex subject" as a vague descriptor without specifying why the subject is complex. Always provide some indication of the specific challenges or intricacies involved to give the reader a better understanding.

Linguistic Context

The phrase "a complex subject" functions as a noun phrase, typically serving as the subject or object of a sentence. It introduces a topic that is not straightforward and requires careful consideration. Ludwig's examples show it frequently appears when introducing or discussing intricate topics.

Expression frequency: Very common

Frequent in

News & Media

38%

Science

35%

Encyclopedias

6%

Less common in

Wiki

3%

Formal & Business

1%

Social Media

0%

Ludwig's WRAP-UP

In summary, "a complex subject" is a commonly used phrase to introduce topics that are intricate and demand careful thought. Ludwig AI confirms that it is grammatically correct and suitable for various contexts, particularly in news, science, and encyclopedic content. While it maintains a neutral to formal tone, writers should specify why the subject is complex to avoid vagueness. Alternatives like "a complicated topic" or "an intricate matter" can be used depending on the desired nuance.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a complicated topic

Replaces "subject" with "topic", a more general term for discussion.

an intricate matter

Substitutes "complex" with "intricate" and "subject" with "matter", emphasizing the detailed and interwoven nature of the issue.

a multifaceted issue

Replaces "complex" with "multifaceted", highlighting the many aspects of the issue.

a demanding subject

Focuses on the intellectual effort required to understand the subject.

a challenging subject

Similar to "demanding", but emphasizes the difficulty involved.

a difficult subject

A more straightforward synonym, directly stating the subject's difficulty.

a sophisticated topic

Implies that the subject requires advanced knowledge or understanding.

a profound subject

Indicates the subject has deep implications and requires thoughtful consideration.

a knotty problem

Uses "knotty" to describe the difficulty, suggesting it's tangled or hard to resolve.

a perplexing question

Highlights the confusing or puzzling nature of the subject, framing it as a question.

FAQs

How can I use "a complex subject" in a sentence?

You can use "a complex subject" to introduce a topic that requires in-depth knowledge and is not easily understood. For example: "Quantum physics is "a complex subject" that challenges our everyday understanding of the universe."

What are some alternatives to saying "a complex subject"?

Alternatives include "a complicated topic", "an intricate matter", or "a multifaceted issue". The best choice depends on the specific nuances you want to convey.

Is it always necessary to explain why a subject is complex when using the phrase "a complex subject"?

While not always mandatory, providing some context or indication of the specific complexities involved can enhance clarity and prevent vagueness. It helps the reader understand why the subject is challenging.

Can "a complex subject" be used in both formal and informal writing?

Yes, "a complex subject" is appropriate for both formal and informal contexts. However, in more formal writing, you might consider using synonyms that sound more sophisticated, such as "an intricate matter" or "a sophisticated topic".