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Prepositions after adjectives

Unconcerned about vs. unconcerned with

Both patterns are standard but express different meanings. About refers to lack of worry, while with often means not involved or not interested.

Quick answer

What is the difference between unconcerned about and unconcerned with?

Use unconcerned about when someone is not worried. Use unconcerned with when something is unrelated to a topic or when someone is not interested or involved in it.

She seemed unconcerned about the delay.
The report is unconcerned with political issues.
He remained unconcerned about public criticism.

Choose the pattern by meaning

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

1
unconcerned about + problem

Showing lack of worry

About is used when someone does not feel anxious or troubled by something.

They were unconcerned about the risks.
She appeared unconcerned about the outcome.
2
unconcerned with + topic

Showing no involvement or relevance

With often means not connected to, not interested in, or not dealing with something.

The article is unconcerned with financial details.
He remains unconcerned with office politics.

See the difference in context

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

Construction
Example
Meaning
unconcerned about
She is unconcerned about the exam.
not worried about something
unconcerned with
The study is unconcerned with historical data.
not related to or involved with something
not interested in
He is not interested in gossip.
a clearer alternative for lack of interest

Common mistakes

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

Using with when meaning worry

About is better for emotional concern or anxiety.

✕ She is unconcerned with the storm warning. ✓ She is unconcerned about the storm warning.

Using about for relevance

With is natural when discussing subject matter or involvement.

✕ The report is unconcerned about marketing strategy. ✓ The report is unconcerned with marketing strategy.

Quick practice

Choose the expression that matches the intended meaning.

1. He seemed unconcerned ___ the criticism.
2. The book is unconcerned ___ legal theory.
3. They remained unconcerned ___ the delays.

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Frequently asked questions

Can unconcerned with mean uninterested?

Yes. It can mean not interested in or not involved with something.

Is unconcerned about always emotional?

Usually yes. It normally refers to lack of worry or anxiety.

Can both forms appear in formal writing?

Yes. Both unconcerned about and unconcerned with are standard in formal and informal English.

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