Eskimo–Aleut languages
The Inuit (; 'the people', singular: Inuk, , dual: Inuuk, ) are a group of culturally similar indigenous peoples inhabiting the Arctic regions of Greenland, Canada, and Alaska (United States). The Inuit languages are part of the Eskimo–Aleut languages also known as Inuit-Yupik-Unangan and also as Eskaleut. Inuit Sign Language is a critically endangered language isolate used in Nunavut.