Preposition after adjective

Unconnected with or unconnected to?

Both unconnected with and unconnected to are used to mean that two things have no relationship. Unconnected with is slightly more formal.

Quick answer

Which preposition is used with unconnected?

Both unconnected with and unconnected to are standard. They both describe things that have no link or relationship.

The incident was unconnected with the earlier complaint.
Her comments are unconnected to the main topic.
The two companies are unconnected with each other.

Choose the pattern by meaning

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

1
unconnected with + noun

Showing no relationship to something

Use unconnected with to say that one thing has no association with another.

The delay was unconnected with weather conditions.
His illness is unconnected with the accident.
2
unconnected to + noun

Describing lack of connection

Use unconnected to with the same meaning, especially in everyday English.

The email was unconnected to our discussion.
These events are unconnected to each other.
3
unconnected with each other

Referring to two separate things

This pattern emphasizes that two people, ideas, or events are unrelated.

The cases seem unconnected with each other.
The projects are unconnected with each other financially.

See the difference in context

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

Construction
Example
Meaning
unconnected with
The claim is unconnected with the investigation.
Standard and slightly formal way to say there is no relationship.
unconnected to
The message was unconnected to the meeting.
Standard modern alternative with the same meaning.
connected with
Her work is connected with public health.
Shows a relationship or association.
connected to
The printer is connected to the computer.
Often used for physical or direct links.

Common mistakes

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

Using unrelated prepositions

Unconnected is not normally followed by about or for to show lack of relationship.

✕ The issue is unconnected about the budget. ✓ The issue is unconnected with the budget.

Confusing connection with location

Use with or to for relationships, not in.

✕ The report is unconnected in the case. ✓ The report is unconnected to the case.

Forgetting the object

Unconnected usually needs a noun phrase after the preposition.

✕ The events are unconnected with. ✓ The events are unconnected with each other.

Quick practice

Choose the expression that matches the intended meaning.

1. The two incidents were completely ___ each other.
2. Her question was ___ the main discussion.
3. The software problem is ___ the recent update.

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Frequently asked questions

Is unconnected with formal?

Yes. Unconnected with is slightly more formal than unconnected to, but both are correct.

Can I say unconnected to?

Yes. Unconnected to is common and natural in modern English.

Do with and to change the meaning?

Usually no. Both mean that there is no relationship or association.

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