Prepositions after adjectives

Irish in, for, at, to or with?

Irish is mainly a nationality adjective. The following preposition usually belongs to the wider sentence, not to Irish itself.

Quick answer

Does Irish take a fixed preposition?

Irish does not normally require a specific preposition. Phrases such as Irish in origin or Irish to the core are sentence patterns rather than fixed adjective-preposition combinations.

She is Irish by birth.
He is Irish to the core.

Choose the pattern by meaning

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

1
Irish in + respect/way

Describing an aspect or field

In introduces the area being discussed.

The festival is strongly Irish in character.
2
Irish to + degree

Emphasising identity

To can appear in expressions of extent or character.

She is Irish to the core.

See the difference in context

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

Construction
Example
Meaning
Irish in
The music is Irish in style.
describes a specific aspect
Irish for
The term is Irish for 'welcome'.
for introduces meaning or translation
Irish at
He is Irish at heart.
at belongs to the expression at heart
Irish to
She is Irish to the core.
fixed expression of identity
Irish with
The soup is Irish with a modern twist.
with adds extra description

Common mistakes

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

Treating Irish as a fixed adjective-preposition pair

The preposition usually belongs to the larger sentence pattern.

✓ The design is Irish in style.

Using unnatural combinations

Choose the preposition according to the meaning of the whole phrase.

✕ She is Irish with nationality. ✓ She is Irish.

Quick practice

Choose the expression that matches the intended meaning.

1. The dance is Irish ___ origin.
2. The phrase is Irish ___ 'friendship'.
3. She is Irish ___ the core.

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Frequently asked questions

Does Irish usually need a preposition?

No. Irish is normally used alone as a nationality adjective.

What does Irish to the core mean?

It means strongly or completely Irish in identity or character.

Is Irish in style correct?

Yes. In introduces the aspect being described.

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