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Preposition after adjective

Unacquainted with

Unacquainted is normally followed by with to describe lack of knowledge, familiarity, or personal connection.

Quick answer

How do you use unacquainted?

Use unacquainted with before a subject, person, place, or fact that someone does not know well.

unacquainted with local customs
unacquainted with the software
unacquainted with her neighbours

Choose the pattern by meaning

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

1
unacquainted with + subject

Talking about lack of knowledge

Use with before a topic or field someone does not know.

unacquainted with modern art
unacquainted with tax law
2
unacquainted with + person

Saying people do not know each other

Use with for unfamiliarity between people.

unacquainted with the new manager
unacquainted with his colleagues
3
remain unacquainted with

Expressing continuing unfamiliarity

Remain often appears before unacquainted to show an ongoing situation.

remain unacquainted with the details
remained unacquainted with rural life

See the difference in context

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

Construction
Example
Meaning
unacquainted with
I am unacquainted with that procedure.
Standard pattern meaning not familiar with something.
acquainted with
She is acquainted with the director.
Means familiar with or personally known to someone.
unfamiliar with
They are unfamiliar with the rules.
A more common modern alternative with a similar meaning.

Common mistakes

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

Using the wrong preposition

Unacquainted normally takes with.

✕ He is unacquainted to the system. ✓ He is unacquainted with the system.

Using unacquainted for temporary confusion

Unacquainted suggests lack of familiarity, not a momentary misunderstanding.

✓ I am unfamiliar with this instruction.

Quick practice

Choose the expression that matches the intended meaning.

1. She is unacquainted ___ the local regulations.
2. They remained unacquainted ___ each other's backgrounds.
3. Which sentence is standard English?

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Frequently asked questions

Is unacquainted formal?

Yes. It is more formal and less common than unfamiliar.

Can unacquainted describe people?

Yes. Two people can be unacquainted with each other.

What preposition follows unacquainted?

The normal preposition is with.

ubiquitous in, on, across, throughout or for? "ugly in", "ugly for" or "ugly of"? ultimate in, of, for, on or as? "unacceptable to", "unacceptable in" or "unacceptable for"? unaccounted for unaccustomed to or in? unaffected by, in, for or with? "unaffordable for" or "unaffordable to"? unanimous in, on, about, regarding or for? "unattractive to" or "unattractive for"? "unavailable for" or "unavailable to"? unaware of or about?

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