WordWeb Online

1. Not being or composed of aborigines
   "the nonnative population of South Africa";
   - non-native
    
2. Of persons born in another area or country than that lived in
   "our large nonnative population";
   - foreign-born, non-native
    
3. Of plants or animals originating in a part of the world other than where they are growing
   - non-native

See also: foreign, strange

Antonym: aboriginal