Preposition after adjective

Incomplete without, in, for, with or at?

Incomplete commonly appears with without, in, and for in different meanings. Some combinations are standard, while others are uncommon or depend on context.

Quick answer

Which prepositions are used with incomplete?

Use incomplete without when something is missing. Use incomplete in for a particular area or aspect. Use incomplete for when something is not suitable or sufficient for a purpose. With and at are usually separate adjuncts, not fixed combinations with incomplete.

The application is incomplete without your signature.
Her explanation was incomplete in several important details.
The data is incomplete for scientific analysis.

Choose the pattern by meaning

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

1
incomplete without + thing

Showing that something is missing

Use without to say that a necessary part is absent.

The form is incomplete without a date.
The meal feels incomplete without fresh bread.
2
incomplete in + area

Describing something lacking in a particular aspect

Use in before an area, section, or feature that is missing information or development.

The report is incomplete in its financial section.
The theory remains incomplete in several respects.
3
incomplete for + purpose

Talking about suitability for a task

Use for when something does not contain enough information or elements for a specific purpose.

The records are incomplete for legal review.
This draft is incomplete for publication.

See the difference in context

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

Construction
Example
Meaning
incomplete without
The set is incomplete without the final piece.
Something necessary is missing.
incomplete in
The article is incomplete in several areas.
Something lacks detail or development in a specific aspect.
incomplete for
The file is incomplete for insurance processing.
Not sufficient for a purpose or requirement.
incomplete with
The report is incomplete with missing charts.
This wording is awkward. Use incomplete because of missing charts or incomplete without charts instead.
incomplete at
The instructions are incomplete at this stage.
At this stage is a time adjunct, not a fixed combination with incomplete.

Common mistakes

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

Using with to express missing parts

Use without when something is absent.

✕ The package is incomplete with the manual missing. ✓ The package is incomplete without the manual.

Confusing in and for

In refers to an aspect or area. For refers to a purpose.

✕ The document is incomplete in publication. ✓ The document is incomplete for publication.

Treating at as a fixed preposition

At usually introduces time or place information, not a complement of incomplete.

✕ The form is incomplete at the signature. ✓ The form is incomplete without the signature.

Quick practice

Choose the expression that matches the intended meaning.

1. The application is incomplete ___ a passport photo.
2. The research is incomplete ___ several areas.
3. These notes are incomplete ___ formal submission.

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Frequently asked questions

Can I say incomplete with?

It is usually unnatural when talking about missing parts. English normally uses incomplete without or incomplete because of.

Is incomplete in formal English?

Yes. It is common in academic, technical, and professional writing.

Can incomplete be followed by at?

Not as a regular adjective-preposition pattern. At usually adds separate information about time or place, such as incomplete at this point.

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