adj Uncommon

undocumented

Undocumented (adj) means not recorded in official papers or written instructions. Example: “The software has several undocumented features that only power users know about.”

adj

Not recorded in official papers or written instructions.

"The software has several undocumented features that only power users know about."

Lacking the official papers required to legally live or work in a country.

"The charity offers legal advice to undocumented workers."

How to use undocumented

Learner’s notes

In plain EnglishMissing the official paperwork — either technical documentation or legal immigration status.

When to use it

"Undocumented" is the standard, neutral term used for immigrants without legal status; avoid older, more loaded terms.

Easily confused with

illegal →

Common pairings

undocumented immigrant undocumented feature undocumented worker

Word forms

undocumenteds plural

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Fill the gap

Can you complete this real example?

The software has several _____ features that only power users know about.

Etymology

From un- ("not") plus documented, the past participle of document.

Rhymes for undocumented

vented dented scented talented demented invented oriented lamented patented cemented fermented contented

See all rhymes for undocumented →

Frequently asked questions

What does “undocumented” mean?

The word “undocumented” means not recorded in official papers or written instructions. In plain terms, missing the official paperwork — either technical documentation or legal immigration status.

How do you use “undocumented” in a sentence?

Here is “undocumented” used in a sentence: “The software has several undocumented features that only power users know about.”

What part of speech is “undocumented”?

“Undocumented” is an adjective.

Is “undocumented” a common word?

“Undocumented” is an uncommon word in modern English.

How many meanings does “undocumented” have?

“Undocumented” has 2 distinct senses listed in this dictionary. The most common is: not recorded in official papers or written instructions.