language natural language http://purl.obolibrary.org/obo/NCIT_C142612 https://en.wikipedia.org/wiki/Natural_language https://www.wikidata.org/wiki/Q33742 Any language that has evolved naturally in humans through use and repetition without conscious planning or premeditation. Natural languages can take different forms, such as speech or signing. They are distinguished from constructed and formal languages such as those used to program computers or to study logic. Spoken or written language as used in ordinary communications between individuals and groups. natural languages ordinary language language