Definition that contains indigenous language
- substrate an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population
- papuan language any of the indigenous languages spoken in Papua New Guinea or New Britain or the Solomon Islands that are not Malayo-Polynesian languages
- substratum an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population
- ural-altaic a (postulated) group of languages including many of the indigenous languages of Russia (but not Russian)
- papuan any of the indigenous languages spoken in Papua New Guinea or New Britain or the Solomon Islands that are not Malayo-Polynesian languages