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 /ʌnˈdɑː.kjə.men.t̬ɪd/

Adjective

1.

not supported by written proof:

Example:
People should not stop eating fish because of some undocumented risk of cancer.
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