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Preposition after adjective

Big in, of, for, on or up?

Big combines with different prepositions depending on meaning. Big in and big on are common idiomatic patterns, while other combinations often belong to separate sentence structures.

Quick answer

Which prepositions are used with big?

Use big in for success or importance in a field or place, and big on for enthusiasm about something. Big of is used in expressions about generosity or behaviour. Big for often means too large. Big up is mainly informal slang as a phrasal verb, not an adjective pattern.

She is big in the fashion industry.
My parents are big on healthy eating.
That jacket is too big for me.

Choose the pattern by meaning

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

1
big in + field/place

Showing importance or popularity

Use big in for success, influence, or popularity in an area or industry.

The company is big in Asia.
He became big in online media.
2
big on + activity/idea

Showing enthusiasm or strong interest

Big on means very interested in or supportive of something.

She is big on fitness.
They are big on customer service.
3
big of + person

Commenting on generous or kind behaviour

Big of someone is an informal expression about behaviour or attitude.

It was big of you to apologise.
4
too big for + noun

Describing unsuitable size

Big for often appears when something is larger than suitable or expected.

The helmet is too big for the child.

See the difference in context

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

Construction
Example
Meaning
big in
She is big in the music business.
Important, successful, or popular in a field or place.
big of
It was big of him to admit the mistake.
Informal expression meaning generous or mature.
big for
These shoes are too big for me.
Larger than suitable or expected.
big on
My family is big on tradition.
Very enthusiastic about something.
big up
Fans always big up their team.
Informal slang phrasal verb meaning praise, not a standard adjective pattern.

Common mistakes

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

Using big in for enthusiasm

Use big on, not big in, for interests and preferences.

✕ She is big in yoga. ✓ She is big on yoga.

Using big up as an adjective pattern

Big up is a slang verb phrase, not an adjective plus preposition combination.

✕ He is big up local music. ✓ He always bigs up local music.

Forgetting too with size meanings

Big for often appears with too when describing unsuitable size.

✕ The coat is big for me. ✓ The coat is too big for me.

Quick practice

Choose the expression that matches the intended meaning.

1. The brand is very big ___ Europe.
2. My brother is big ___ science fiction films.
3. It was very big ___ her to forgive him.

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Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.

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Frequently asked questions

What does big on mean?

It means very interested in or enthusiastic about something.

Can I say big in technology?

Yes. Big in is common for industries, regions, and fields of activity.

Is big up formal English?

No. Big up is informal slang used mainly as a verb phrase meaning praise or promote.

bad, for, bad, of baffling to, for, in, as or of? bankrupt in, by, for, as or with? "barefoot in" or "barefoot on"? "bare of", "bare with" or "bare in"? "basic of" or "basic to"? beautiful in, with, on, for or to? beholden to, for or on? "beloved by", "beloved to" or "beloved of"? "bemused by" or "bemused at"? "beneficial to" or "beneficial for"? bereft of, at, by, in or without?

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