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Prepositions with contrast

In contrast vs by contrast

Both in contrast and by contrast are standard expressions used to compare differences. In contrast often links two ideas inside a sentence, while by contrast commonly introduces the opposite case.

Quick answer

Which is correct: in contrast or by contrast?

Both are correct. In contrast usually means “when compared with something else,” and by contrast introduces a comparison with an opposite result or quality.

In contrast, the newer model uses less energy.
By contrast, the older system was slow and unreliable.
Her brother is quiet in contrast.

Choose the pattern by meaning

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

1
in contrast

Showing a difference between two things

Use in contrast to describe how one thing differs from another in a comparison.

In contrast, rural areas saw population growth.
The first proposal was expensive; the second was affordable in contrast.
2
by contrast

Introducing the opposite case

Use by contrast to present a strong difference from what was just mentioned.

By contrast, summer tourism brings thousands of visitors.
City apartments are small. Houses in the suburbs, by contrast, are more spacious.
3
contrast between + nouns

Naming two things being compared

Use contrast between to identify the two sides of a comparison.

The report highlights the contrast between public and private schools.
4
contrast with + noun

Comparing one thing directly with another

Use contrast with when one thing is compared against another.

Her bright jacket contrasts with the dark background.

See the difference in context

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

Construction
Example
Meaning
in contrast
In contrast, sales increased in April.
A linking phrase showing difference.
by contrast
By contrast, April was much more profitable.
An introductory phrase emphasizing an opposite situation.
contrast between
The contrast between the two images is striking.
Names two things that differ.
contrast with
The curtains contrast with the walls.
Directly compares one thing against another.

Common mistakes

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

Using contrast without a comparison

Contrast normally refers to a difference between two things.

✓ In contrast to last year, profits improved.

Confusing in contrast with in comparison

In contrast emphasizes difference more strongly.

✕ In comparison, the two designs are completely opposite. ✓ In contrast, the two designs are completely opposite.

Using by contrast inside a noun phrase

By contrast usually introduces a clause or sentence, not a noun phrase.

✕ the by contrast method ✓ By contrast, the method was simpler.

Forgetting punctuation after introductory phrases

A comma is common after in contrast and by contrast at the start of a sentence.

✕ By contrast the second option was cheaper. ✓ By contrast, the second option was cheaper.

Quick practice

Choose the expression that matches the intended meaning.

1. ___, the northern region received more rain.
2. The report examined the contrast ___ urban and rural life.
3. Her modern style contrasts ___ the traditional decor.

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Frequently asked questions

Is by contrast more formal than in contrast?

Both are common in formal writing. By contrast often sounds slightly more rhetorical or emphatic.

Can I say in contrast to?

Yes. In contrast to introduces the thing being compared: In contrast to last year, sales improved.

Can by contrast come in the middle of a sentence?

Yes, but it is most common at the beginning of a clause or sentence.

"in act" or "of act"? "in agreement" or "of agreement"? "in appearance" or "of appearance"? "in area" or "of area"? in, at, on, of or to hand? "in attempt" or "of attempt"? "in battle" or "of battle"? "in celebration", "of celebration" or "for celebration"? "in chain" or "of chain"? "in chapter" or "of chapter"? "in charge" or "of charge"? "in check" or "of check"?

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