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Prepositions after adjectives

How to use prepositions with minor

Minor is commonly used with in, to, and under. Other combinations depend on the sentence meaning rather than the adjective itself.

Quick answer

Common prepositions after minor

Minor in is used for academic subjects, minor to for lower importance, and under with age or legal status. Minor for and minor at usually introduce separate ideas rather than fixed adjective patterns.

She is minor in economics.
The issue is minor compared to the budget crisis.
Children under 18 need permission.

Choose the pattern by meaning

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

1
minor in + subject

Academic specialisation

In American English, minor in refers to a secondary university subject.

He is minor in psychology.
She decided to minor in history.
2
minor to + noun

Lower importance or rank

Use minor to compare something less important with something larger or primary.

These concerns are minor to the main problem.
The delay was minor to overall operations.
3
under + age

Legal or age limits

Under commonly appears with minor when referring to legal age, but it is not selected by the adjective.

Anyone under 16 must be accompanied.
The film is unsuitable for viewers under 13.
4
minor for + situation

Small in relation to something

For introduces the situation or purpose rather than forming a fixed pattern with minor.

The injury was minor for a professional athlete.
That cost is minor for a large company.

See the difference in context

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

Construction
Example
Meaning
minor in
She is minor in chemistry.
studying a secondary subject at university
minor to
The error was minor to the overall result.
less important or less significant
minor for
The damage was minor for such a strong storm.
small relative to a situation
minor at
Minor at is not a standard adjective pattern.
usually avoided unless at introduces place or time separately
under
Drivers under 18 face restrictions.
below an age or limit

Common mistakes

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

Using minor at as a fixed combination

At does not normally follow minor directly as its selected preposition.

✕ She is minor at biology. ✓ She is minor in biology.

Confusing minor in with major in

Minor in refers to a secondary subject, not the main field.

✓ He majors in law and minors in philosophy.

Using under as if selected by minor

Under usually refers to age or quantity independently.

✓ People under 21 cannot enter.

Quick practice

Choose the expression that matches the intended meaning.

1. She plans to minor ___ sociology.
2. The issue is minor ___ the larger safety concerns.
3. Children ___ 12 travel free.

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Frequently asked questions

What does minor in mean at university?

It means to study a secondary academic subject alongside a major subject.

Is minor at correct?

Not usually. English normally uses minor in for academic subjects.

Can minor be followed by to?

Yes. Minor to can describe something less important or less serious.

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