only one subject

USAGE SUMMARY

The phrase "only one subject" is correct and usable in written English.
It can be used when referring to a situation, discussion, or piece of writing that focuses on a single topic or theme. Example: "In this essay, I will discuss only one subject: the impact of climate change on polar bears."

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Only one subject had a negative perception on the subjective satisfaction scale.

BMC Medical Informatics and Decision Making

Only one subject performed below average on calculation (Subject 9).

Brain

Only one subject in each patient group was studied on the 953B scanner.

Nature

Only one subject was identified with schizophrenia.

Journal of Affective Disorders

Enter only one subject term per box.

Cornell University

Only one subject cannot be laughed off.

The Guardian

Of those eight, only one subject visited the HPL at least 8 times/month.

Applied Nursing Research

A HASS Concentration may include only one subject that also counts toward the HASS Distribution Requirement.

Massachusetts Institute of Technology

Only one subject from the school may be taken in a semester.

Massachusetts Institute of Technology

Full-degree British students traditionally study only one subject during their undergraduate career.

Columbia University

Of the 37 participating theatre companies, Habima is the only one subject to such a call.

The Guardian - Opinion

Expert writing Tips

Best practice

When you intend to emphasize a single item among many, "only one subject" is helpful for singling it out.

Common error

Avoid using "only one subject" when you're actually discussing multiple aspects of a single subject. Ensure clarity by specifying if you're narrowing down to a singular focus or excluding other related topics.

Linguistic Context

The phrase "only one subject" primarily functions as a determiner phrase. It modifies a noun, typically to specify and limit the scope to a singular topic or individual. As Ludwig AI explains, this phrase is grammatically correct and frequently used to highlight a specific element within a larger context.

Expression frequency: Very common

Frequent in

Science

44%

Academia

28%

News & Media

7%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "only one subject" is grammatically sound and commonly employed to emphasize a singular focus, as verified by Ludwig AI. It clarifies scope and exclusivity in discussions, studies, or analyses. While adaptable to various registers, the phrase is most frequently encountered in scientific and academic contexts. For alternative expressions, consider "a single topic" or "just one subject" to maintain clarity. Remember to use "only one subject" when intending to narrow down to a singular focus, excluding other related topics.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a single subject

Emphasizes the singularity of the topic, replacing "only one" with "a single" for a slightly more formal tone.

just one subject

Adds a sense of simplicity or limitation, using "just" to highlight the focus on a single item.

a sole subject

Highlights the uniqueness of the subject, employing "sole" to indicate that there are no others involved.

one subject only

Inverts the word order for a slightly different emphasis, maintaining the core meaning.

one unique subject

Focuses on the distinctiveness of the subject, adding "unique" to emphasize its special nature.

exclusively one subject

Highlights the exclusivity, employing "exclusively" to stress that no other subjects are included.

solely one subject

Similar to "exclusively", "solely" emphasizes that nothing else is being considered.

precisely one subject

Adds a sense of exactness, emphasizing that there is exactly one subject and no more.

particularly one subject

Highlights a specific subject from a set, emphasizing its importance.

especially one subject

Similar to "particularly", "especially" emphasizes the special attention given to one subject.

FAQs

How can I use "only one subject" in a sentence?

You can use "only one subject" to emphasize a focus on a single topic, as in, "This paper addresses "only one subject": the impact of social media on political campaigns."

What phrases are similar to "only one subject"?

Similar phrases include "a single topic", "just one subject", or "a sole subject". Each emphasizes the singularity of the focus.

Is it correct to say "just one subject" instead of "only one subject"?

Yes, "just one subject" is a valid alternative. It adds a nuance of simplicity or limitation to the statement. Both phrases are grammatically correct and generally interchangeable.

How does "only one subject" differ from "one subject"?

"One subject" simply states that there is a single topic, while ""only one subject"" emphasizes that this is the exclusive focus, implying other potential subjects are being excluded.