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Prepositions with quality

Of quality, for quality, or in quality?

Quality usually appears in patterns such as quality of, high-quality, or differences in quality. The combinations of quality and for quality are limited and context-dependent.

Quick answer

Common patterns with quality

Use quality of to talk about the standard of something, and in quality to compare standards. For quality can mean concerning quality in business contexts. Of quality is uncommon except in formal expressions such as products of high quality.

The quality of the food has improved.
There was a difference in quality between the two brands.
The company is known for quality and reliability.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
quality of + noun

Describing the standard of something

This is the most common structure with quality.

The quality of the service was excellent.
We checked the quality of the materials carefully.
2
in quality

Comparing standards

Use in quality after words like difference, improvement, or decline.

There has been an improvement in quality this year.
The two samples vary in quality.
3
for quality

Referring to reputation or standards

For quality can follow adjectives or verbs about reputation and evaluation.

The brand is respected for quality.
Inspectors tested the products for quality and safety.
4
of high quality

Using of in formal descriptions

Of quality is uncommon alone, but of high quality is standard.

They sell goods of high quality.
The report was of excellent quality.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
of quality
The equipment is of high quality.
Possible in formal descriptions, usually with an adjective.
for quality
The factory checks every item for quality.
Used when evaluating or known because of quality.
in quality
The newer model differs in quality.
Used in comparisons or changes.
quality of
The quality of the audio is poor.
Standard way to describe a standard or level.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using of quality without an adjective

Of quality alone sounds incomplete in most contexts.

✕ The furniture is of quality. ✓ The furniture is of high quality.

Using in quality to describe a product directly

In quality usually follows comparison words.

✕ The service is in quality. ✓ The service is of excellent quality.

Quick practice

Choose the expression that matches the intended meaning.

1. The quality ___ the recording was disappointing.
2. There is a clear difference ___ quality.
3. The company is famous ___ quality.

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Frequently asked questions

Can I say of quality?

Usually only with an adjective, as in of high quality or of poor quality.

When do we use in quality?

Use it in comparisons, improvements, or differences, such as a change in quality.

Is for quality correct?

Yes, in contexts about standards, testing, or reputation.

of, about, against, to or for racism? of, about, for, in or on friendship? of, about, for, on or to thing? of, about, for, to or with sex? of, about, on, to or for moon? "of access" or "with access"? "of accommodation" or "for accommodation"? "of accuracy" or "for accuracy"? "of action" or "in action"? "of actor", "with actor" or "by actor"? "of address" or "to address"? "of administration" or "in administration"?

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