Prepositions after adjectives

achievable with prepositions

Achievable often appears with by, through, or within phrases describing methods, means, or time.

Quick answer

How achievable is used

Use achievable with methods or resources, achievable by for means or actions, and achievable through for processes. Achievable in can refer to time limits. Achievable for is less common and usually means suitable for someone.

The target is achievable with better planning.
Success is achievable through teamwork.

Choose the pattern by meaning

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

1
achievable with + resource/method

Means available

Use with for tools, funding, or support.

The plan is achievable with current technology.
2
achievable by + action

How something can be done

Use by before actions or methods.

The goal is achievable by reducing costs.
3
achievable through + process

Result from a process

Use through for longer processes or systems.

Growth is achievable through training.

See the difference in context

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

Construction
Example
Meaning
achievable in
The work is achievable in two weeks.
possible within a time frame
achievable with
This is achievable with enough staff.
possible using resources
achievable by
The result is achievable by careful planning.
possible through an action
achievable for
The target is achievable for small teams.
possible for someone to reach
achievable through
Change is achievable through education.
possible via a process

Common mistakes

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

Using for instead of by for methods

Use by for actions or methods.

✕ The goal is achievable for reducing waste. ✓ The goal is achievable by reducing waste.

Confusing with and through

With refers to resources; through refers to processes.

✓ The result is achievable through negotiation.

Quick practice

Choose the expression that matches the intended meaning.

1. The project is achievable ___ current funding.
2. The savings are achievable ___ lowering energy use.
3. Recovery is achievable ___ therapy and support.

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Frequently asked questions

Can achievable be followed by in?

Yes, especially with time expressions such as achievable in six months.

Is achievable for correct?

Yes, when referring to what a person or group can realistically do.

What is the difference between achievable by and through?

By usually introduces a direct method, while through often suggests a broader process.

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