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Prepositions after adjectives

Invaluable to, for or in?

Invaluable to is the most common pattern for people or organisations. Invaluable for and invaluable in are also correct in specific contexts.

Quick answer

How do you use invaluable?

Use invaluable to for the person or group receiving help. Use invaluable for for a purpose, and invaluable in for an activity or situation.

Her advice was invaluable to the team.
This guide is invaluable for beginners.
Experience is invaluable in negotiations.

Choose the pattern by meaning

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

1
invaluable to + person/group

Who benefits from something

To introduces the receiver of help or value.

The data proved invaluable to researchers.
2
invaluable for + purpose

Useful for achieving something

For focuses on function or purpose.

The software is invaluable for remote work.
3
invaluable in + activity

Important within a situation

In refers to a field, process, or activity.

Patience is invaluable in customer service.

See the difference in context

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

Construction
Example
Meaning
invaluable to
Her support was invaluable to me.
benefit to a person or group
invaluable for
This course is invaluable for exam preparation.
useful for a purpose
invaluable in
Local knowledge is invaluable in emergencies.
important within a situation

Common mistakes

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

Using to for purpose

Use for when talking about function or purpose.

✕ This tool is invaluable to learning languages. ✓ This tool is invaluable for learning languages.

Using in for recipients

Use to for people who benefit.

✕ Her guidance was invaluable in the students. ✓ Her guidance was invaluable to the students.

Quick practice

Choose the expression that matches the intended meaning.

1. His experience was invaluable ___ the investigation.
2. The manual is invaluable ___ new employees.
3. This app is invaluable ___ organising tasks.

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Frequently asked questions

Can all three prepositions be correct?

Yes, but they express different relationships: recipient, purpose, or situation.

What does invaluable mean?

It means extremely useful or valuable.

Is invaluable in common?

Yes. It is often used with activities, fields, or situations.

ideal-for-in-as-at, from "identical to" or "identical with"? identifiable by, as, with, in or to? "idle for" or "idle in"? ignorant of, about, to, in or on? "illegal in" or "illegal for"? illustrative of, in, rather or for? ill with, in, for, at or of? "immune to" or "immune from"? "impatient with" or "impatient for"? "imperative for" or "imperative to"? impervious to, from or in?

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