a non-documented

USAGE SUMMARY

The phrase "a non-documented" is not standard in written English. It can be used in contexts where you want to describe something that lacks documentation or formal records. For example, "The project faced challenges due to a non-documented process." Alternative expressions include "undocumented" and "unrecorded."

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

In hospital C, a non-documented procedure for glove use (Table  1): (i) on insertion of IV catheters and (ii) in wound treatment was the only measurable procedure either pre- or post-intervention.

Acta Veterinaria Scandinavica

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

To describe, a yet non-documented complication of GDI surgery (glaucoma drainage incision surgery) - anterior to posterior segment migration of Ahmed Glaucoma Valve (AGV) tube.

BMC Ophthalmology

There did not appear to be significant differences in resident behaviour at non-documented and documented sessions.

BMC Medical Education

However, the current immigration issue in the United States election is the existence of an alleged 11+ non-documented immigrants that candidate Donald Trump has singled out for deportation and to build a tall wall between Mexico and the U.S. borders.

Huffington Post

To check the differences between documented and non-documented causes of death, we did the same analysis on 219 VA (Tables 4, 5).

Plosone

The estimated size of the non-national population living in Lazio, including documented and non-documented immigrants, was obtained from the Dossier Statistico Caritas/Migrantes [ 32].

BMC Infectious Diseases

No significant differences in the amount of baseline IFN-γ production (fig. 2a and online supplementary table S1) or the proportion of individuals (fig. 2b and table S1) responding to peptide pools was observed between documented and non-documented contacts.

European Respiratory Journal

In all multivariable analyses, we controlled for age, sex, documented or non-documented contacts, immediate or deferred treatment, degree of smear positivity of the index case, and response to PHA.

European Respiratory Journal

We compared the IFN-γ response (in picograms per millilitre) and the proportion of responders (>100 pg·mL−1) before isoniazid treatment between documented and non-documented contacts, and between each of the two pre-treatment measurements among individuals whose treatment was deferred, using the Kruskal Wallis and Chi-squared tests.

European Respiratory Journal

Besides these "visible" missing patients there were an unknown number of non-documented patients that were unable to provide informed consent due to cognitive deficits.

BMC Family Practice

Most of the characteristics of participants were similar between groups (table 2), but a significantly higher proportion of women were allocated to group C. Non-documented contacts were older and with greater TST induration than documented contacts.

European Respiratory Journal

Expert writing Tips

Best practice

Prefer the more common term "undocumented" for general writing or when referring to legal status to ensure clarity and professional tone.

Common error

Avoid using "a non-documented" in instances where a standard adjective like "unrecorded" or the phrase "not documented" would flow better. Using the prefix "non-" can sometimes sound overly clinical or repetitive if standard words already exist to describe the same state.

Linguistic Context

The phrase "a non-documented" acts as an adjectival phrase modified by an indefinite article. It is typically used to describe a noun that lacks formal verification or record-keeping. In the search results from Ludwig, it appears as a descriptor for procedures, infections or immigrants where the emphasis is on the specific absence of a document.

Expression frequency: Rare

Frequent in

Science

75%

News & Media

15%

Academia

10%

Less common in

Formal & Business

5%

Encyclopedias

2%

Wiki

1%

Ludwig's WRAP-UP

While "a non-documented" is found in high-quality sources, it remains a rare and non-standard construction. According to Ludwig AI, it is primarily used in scientific and medical journals to describe procedures or infections that lack formal records. In general contexts, particularly regarding legal status or journalism, the term ""undocumented"" is far more frequent and widely accepted. Writers should use this phrase selectively in technical comparisons or where a specific emphasis on the prefix "non-" is required for clinical precision. For all other purposes, choosing standard synonyms like "unrecorded" will ensure better readability and flow.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

undocumented

Standard term for something not recorded or for people lacking official immigration status

not documented

A simpler phrasal version that avoids the hyphenated prefix

unrecorded

Emphasizes the failure to log or register specific data points

unlogged

Focuses on the absence of a record in a ledger or digital database

an unofficial

Suggests something that occurs outside formal channels or sanctioned procedures

unregistered

Specific to things that require a formal registration process

unauthenticated

Implies a lack of official validation or proof of identity

an unwritten

Refers to rules or procedures that exist through tradition rather than text

unconfirmed

Often used in news contexts for data that lacks official verification

anecdotal

Used when evidence is based on reports rather than formal documentation

FAQs

Is "a non-documented" grammatically correct?

Yes, it is grammatically sound, but it is considered non-standard. Most writers prefer using ""undocumented"" or "unrecorded".

When should I use "a non-documented" instead of "undocumented"?

You might use "a non-documented" in specific scientific contexts where you are contrasting it with "documented" cases, though "not documented" is often clearer.

What is a better alternative to "a non-documented" for immigration contexts?

In legal and news contexts, the standard term is ""undocumented"". Using "a non-documented" may be seen as less precise or slightly archaic.

Does "a non-documented" require a hyphen?

Yes, when used as a compound adjective before a noun, the hyphen between "non" and "documented" is necessary to link the prefix to the adjective.