Prepositions after adjectives

Using “stable” with prepositions

Stable is commonly used with in for areas or conditions and at for levels or values. Stable for usually means suitable or safe for someone.

Quick answer

Which preposition fits with “stable”?

Use stable in for situations or qualities, stable at for a fixed level or amount, and stable for when describing suitability or safety for a person or purpose.

The economy remained stable in difficult conditions.
Prices stayed stable at around $50.
The medicine is stable for children over six.

Choose the pattern by meaning

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

1
stable in + situation

Describing stability within conditions

Use in for areas, systems, or circumstances.

She feels stable in her new job.
2
stable at + level

Describing a fixed amount

Use at with numbers, rates, temperatures, or levels.

Inflation remained stable at 3 percent.
3
stable for + person/purpose

Describing suitability or safety

Use for when something is safe, appropriate, or effective for someone.

The platform is stable for mobile users.

See the difference in context

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

Construction
Example
Meaning
stable in
The company is stable in uncertain markets.
remaining secure within conditions
stable at
The temperature stayed stable at 20°C.
remaining at a fixed level
stable for
This chair is stable for older adults.
safe or suitable for someone
stable with
The patient is stable with treatment.
with introduces accompanying circumstances, not a fixed adjective pattern

Common mistakes

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

Using “at” for situations

At usually refers to levels or figures, not broad situations.

✕ The country is stable at difficult times. ✓ The country is stable in difficult times.

Using “for” instead of “at” with numbers

Use at for exact amounts or levels.

✕ Sales stayed stable for 200 units. ✓ Sales stayed stable at 200 units.

Confusing adjective and adverb forms

Stable is an adjective and does not need an extra adverb form here.

✕ The market remained stably at 5 percent. ✓ The market remained stable at 5 percent.

Quick practice

Choose the expression that matches the intended meaning.

1. The rate remained stable ___ 4 percent.
2. She feels stable ___ stressful situations.
3. This software is stable ___ large teams.

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Frequently asked questions

Can I say “stable in price”?

Yes. It means the price does not change much.

What does “stable at” usually describe?

It usually describes numbers, levels, rates, or temperatures.

Is “stable for children” correct?

Yes, when you mean safe or suitable for children.

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