The impact of World War II on the community of Wilamowice Numerous causes of death of an ethnolect include not enough opportunity to use it in communicative situations. When it functioned as a full code of communication, the language was understood by all members of the community. Nowadays, the language of Wilamowice is known only by a small number of people and therefore free communication in said language is not possible.Key words: the language of Wilamowice; ethnolect; communication;