Prepositions after adjectives

Coy about or coy on?

Coy is commonly followed by about when someone is unwilling to give information directly. Coy on is not a standard adjective pattern in current English.

Quick answer

Use coy about for reluctance or indirectness

Coy about means reluctant to speak openly or deliberately indirect about a topic. Coy on is generally not idiomatic as a complement after coy.

She was coy about her salary.
The company stayed coy about future plans.
He became coy about his age.

Choose the pattern by meaning

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

1
coy about + topic

Avoiding direct information

Use coy about when someone avoids speaking clearly about a subject.

The actor was coy about his personal life.
They remained coy about the details.
2
coy with + person

Behaving playfully or reservedly with someone

Coy with describes a teasing or deliberately reserved manner toward another person.

She was coy with reporters.
He acted coy with his admirers.

See the difference in context

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

Construction
Example
Meaning
coy about
The minister was coy about the negotiations.
standard pattern for avoiding direct discussion of a topic
coy on
Coy on the issue is not a natural modern pattern.
generally nonstandard after coy
coy with
She became coy with the interviewer.
describes reserved or teasing behaviour toward someone
coy about something
He stayed coy about his plans.
focuses on the subject being hidden or avoided

Common mistakes

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

Using coy on as a complement

Modern English normally uses about after coy when referring to a topic.

✕ She was coy on her intentions. ✓ She was coy about her intentions.

Omitting the topic after coy about

Coy about is usually followed by a subject or issue.

✕ The company stayed coy about. ✓ The company stayed coy about the merger.

Quick practice

Choose the expression that matches the intended meaning.

1. The celebrity was coy ___ her relationship.
2. He acted coy ___ the journalists.
3. Which option is generally nonstandard after coy?

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Frequently asked questions

What does coy about mean?

It means unwilling to speak directly or openly about something.

Is coy on correct English?

It is generally not considered an idiomatic modern pattern after coy.

Can coy describe behaviour toward people?

Yes. Coy with someone can describe playful or deliberately reserved behaviour.

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