Meaning of the word undocumented in English

What does undocumented mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

undocumented

US /ʌnˈdɑː.kjə.men.t̬ɪd/
UK /ʌnˈdɒk.jə.men.tɪd/

Adjective

1.

not recorded in or proved by documents

Example:
Many historical events remain undocumented.
The software feature was undocumented, making it hard to use.
2.

not having the official documents required to legally reside in a country

Example:
The government is debating policies for undocumented immigrants.
She fears deportation because she is an undocumented worker.