From The Collaborative International Dictionary of English v.0.48 :
nonnative \nonnative\ adj.
1. not being or composed of aborigines; as, the nonnative
population of South Africa. Opposite of native.
[WordNet 1.5]
2. Of persons born in another area or country than that lived
in; foreign-born; as, our large nonnative population.
Syn: foreign-born.
[WordNet 1.5]
3. Originating in a different region and acclimated to a new
environment; -- of plants or animals.
Syn: domesticated, naturalized.
[WordNet 1.5]
From WordNet (r) 3.0 (2006) :
nonnative
adj 1: not being or composed of aborigines; "the nonnative
population of South Africa" [ant: aboriginal, native]
2: of persons born in another area or country than that lived
in; "our large nonnative population" [syn: foreign-born,
nonnative]
3: of plants or animals originating in a part of the world other
than where they are growing