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undocumented

[ uhn-dok-yuh-men-tid ]
/ ʌnˈdɒk yəˌmɛn tɪd /
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adjective
lacking documentation or authentication.
lacking proper immigration or working papers: an undocumented worker;undocumented immigrants.

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Origin of undocumented

First recorded in 1880–85; un-1 + documented

usage note for undocumented

2. See illegal alien.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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