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Preposition after adjective

"sustainable in" or "sustainable for"?

Both sustainable for and sustainable in are possible, but they express different relationships.

Quick answer

How do you use sustainable with prepositions?

Use sustainable for to show who or what benefits or can continue under certain conditions. Use sustainable in when referring to a context, field, or environment. Sustainable on is also common for resources or finances.

The plan is sustainable for small businesses.
These methods are sustainable in dry climates.
The project is not sustainable on current funding.

Choose the pattern by meaning

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

1
sustainable for + person/group/purpose

Showing suitability over time

For introduces the people, systems, or goals that can continue successfully.

The policy is sustainable for long-term growth.
Remote work is sustainable for many employees.
2
sustainable in + context

Describing a setting or environment

In introduces the situation, field, or conditions where something is sustainable.

Solar farming is sustainable in arid regions.
The model works best because it is sustainable in practice.
3
sustainable on + resources

Talking about support or funding

On is used for the resources that support continued activity.

The service is not sustainable on donations alone.
Few farms remain sustainable on such limited water supplies.

See the difference in context

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

Construction
Example
Meaning
sustainable for
The schedule is sustainable for the team.
Suitable or manageable over time for someone or something.
sustainable in
This approach is sustainable in urban areas.
Possible or effective within a context or environment.
sustainable on
The charity is sustainable on membership fees.
Supported by a resource or income source.
sustainable with
Growth is sustainable with careful planning.
With introduces a condition or method rather than a fixed adjective pattern.

Common mistakes

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

Using in for beneficiaries

Use for when referring to people or groups affected.

✕ The workload is sustainable in employees. ✓ The workload is sustainable for employees.

For vs in with environments

Use in for places, systems, or conditions.

✕ The crop is sustainable for dry climates. ✓ The crop is sustainable in dry climates.

Missing a clear context

Sustainable often needs a context, purpose, or condition.

✓ The strategy is sustainable for long-term use.

Quick practice

Choose the expression that matches the intended meaning.

1. The program is sustainable ___ rural communities.
2. This farming method is sustainable ___ hot climates.
3. The organisation cannot survive ___ current income levels.

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Frequently asked questions

Is sustainable for correct?

Yes. It is common when talking about people, goals, or long-term viability.

Can I say sustainable in practice?

Yes. In is natural for contexts, systems, and conditions.

What preposition is used with funding?

On is common: sustainable on public funding or sustainable on revenue from sales.

sacred-to-in-by-of, for "sad for" or "sad about"? "safe for", "safe from" or "safe in"? sanguine about, in, of, on or for? "satisfactory to" or "satisfactory for"? satisfied with, of, by, in or on? "satisfying for" or "satisfying to"? scarce in, for, at, on or of? scared of, to, about, for or by? "scary for" or "scary to"? "scathing about", "scathing in" or "scathing of"? "sceptical about" or "sceptical of"?

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