Ngarinyin is an Australian Aboriginal language of the Worrorran family, belonging to the West Kimberley region. Its morphological expression of negation is veryregular and demonstrates the close relation between negation and modality. Following Miestamo’s (2025) typological questionnaire, the chapter sketches the basicproperties of negation in Ngarinyin within and across clause boundaries and proposes several diachronic and semantic connections between negation markers and(other) particles, interjections and lexical expressions.