is variable

USAGE SUMMARY

"is variable" is correct and usable in written English.
You can use it to describe something that can take on different values. For example, "The rate of inflation is variable and can change depending on the state of the economy."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Academia

Wiki

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

The quality is variable.

The Economist

Wind power is variable.

MIT Technology Review

Everything digital is variable.

Massachusetts Institute of Technology

Its colour, however, is variable.

Encyclopedia Britannica

Colour among sponges is variable.

Encyclopedia Britannica

The body covering is variable.

Encyclopedia Britannica

"Life is variable that way.

The New York Times - Sports

The quality of the food is variable.

The New York Times

Content is variable, expandable and modular.

The New York Times - Arts

One problem, however, is variable diction.

The Guardian - Music

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

The sound quality on this recording is variable/poor.

BBC

Expert writing Tips

Best practice

Use "is variable" when describing characteristics or parameters that can change over time or across different situations. This helps to accurately represent the dynamic nature of the subject being discussed.

Common error

Avoid using "is variable" without specifying what influences the variability. For example, instead of saying "The data is variable", specify "The data is variable depending on the sample size" to provide a clearer understanding.

Linguistic Context

The phrase "is variable" functions as a predicate adjective, describing a noun's characteristic of being subject to change or fluctuation. Ludwig confirms its grammatical correctness and widespread usage.

Expression frequency: Very common

Frequent in

News & Media

31%

Encyclopedias

21%

Science

20%

Less common in

Academia

10%

Wiki

6%

Formal & Business

5%

Ludwig's WRAP-UP

The phrase "is variable" is a grammatically correct and widely used way to express that something is subject to change or fluctuation. Ludwig AI confirms this, noting its use across numerous contexts. It's prevalent in News & Media, Encyclopedias, and Science, indicating its versatility. For effective writing, always clarify what influences the variability. Alternatives like "varies" or "is subject to change" can be used depending on the specific nuance you want to convey. In summary, using "is variable" effectively requires providing clear context and choosing synonyms carefully to best reflect the intended meaning.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

varies

Uses a verb form to directly indicate that something changes.

is changeable

Indicates the capability of being altered.

is subject to change

Emphasizes the potential for alteration or modification.

is not constant

Highlights the lack of a fixed or unchanging state.

is not fixed

Emphasizes the absence of a settled or definite state.

is fluctuating

Suggests an irregular rising and falling pattern.

is inconsistent

Focuses on the lack of uniformity or predictability.

is mutable

Implies the capacity for being changed or altered.

is unstable

Highlights a lack of stability or steadiness.

is erratic

Suggests unpredictable and irregular behavior.

FAQs

How can I use "is variable" in a sentence?

Use "is variable" to describe something that changes or differs. For example, "The temperature "is variable" throughout the day."

What are some alternatives to "is variable"?

Alternatives include "varies", "is subject to change", or "is not constant", depending on the context.

Is "is variable" grammatically correct?

Yes, "is variable" is grammatically correct. It is a common and accepted way to describe something that is subject to change or difference, as confirmed by Ludwig AI.

What's the difference between "is variable" and "varies"?

"Is variable" is a descriptive phrase, while "varies" is a verb. You would use "is variable" to describe a noun (e.g., "The price is variable"), and "varies" to describe an action (e.g., "The price varies").