Undocumented (adjective)

Not having legal documentation, especially with regard to immigration status.

Origin:

Un + documented.

Examples:

1. The government has been criticized for its treatment of undocumented immigrants.
2. He was afraid to contact the authorities because he was undocumented.
3. The undocumented workers were paid low wages and had no benefits.
4. She was unable to find a job because she was undocumented.
5. The new law will make it harder for undocumented people to get driver's licenses.