Prepositions after adjectives

Comfortable with or comfortable in?

Both patterns are correct, but they describe different kinds of comfort.

Quick answer

Use comfortable with for situations and people

Use comfortable with for agreement, familiarity, or ease with a person or activity. Use comfortable in for clothing, environments, or roles.

I'm comfortable with the plan.
She feels comfortable with her colleagues.
He looks comfortable in a suit.

Choose the pattern by meaning

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

1
comfortable with + person/topic

Feeling at ease

Use with for people, ideas, and activities.

Are you comfortable with public speaking?
2
comfortable in + clothes/place

Physical or social comfort

Use in for environments, clothing, or positions.

They felt comfortable in the new office.
3
comfortable with + doing

Accepting an action

With can introduce a gerund.

She is comfortable with working remotely.

See the difference in context

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

Construction
Example
Meaning
comfortable with
I am comfortable with the decision.
accepting or at ease with something
comfortable in
He is comfortable in formal clothes.
physically or socially at ease in something
comfortable at
She feels comfortable at work.
at introduces the location
comfortable for
The chair is comfortable for long flights.
for explains purpose or user

Common mistakes

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

Using in for opinions

Use with for agreement or familiarity.

✕ I am comfortable in this idea. ✓ I am comfortable with this idea.

Using with for clothing

Use in when talking about what someone wears.

✕ He feels comfortable with jeans. ✓ He feels comfortable in jeans.

Quick practice

Choose the expression that matches the intended meaning.

1. Are you comfortable ___ this arrangement?
2. She looks comfortable ___ her new uniform.
3. They are comfortable ___ working late.

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Frequently asked questions

Can both with and in be correct?

Yes, but the meaning changes depending on whether you refer to a situation or an environment.

Is comfortable with people natural?

Yes. It means relaxed around someone.

Can I say comfortable in my role?

Yes. This means confident and at ease in that position.

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