adj. not having official documentation required to enter, live or work in a country
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. lacking necessary documents (as for e.g. permission to live or work in a country)
Word Usage
"Alan in Rhode Island said, "I cannot believe it when someone prefers the term undocumented workers over illegal aliens, perhaps if someone broke into their home, they would prefer the term, keyless entry over breaking and entering.""