The state of being partially or very casually dressed, as in, “The teen star gives an extremely naked performance in the CW remake of ‘Bilitis,’ spending the entire movie in varying degrees of dishabille”; a front-row buzzword in a season in which designers have stripped back the silhouette to its conceptual, neoburlesque bare bones, e.g., “The collection was very mid-’90s Madonna dishabille in Seville meets Dita Von Teese in Greece.”
Source: wiktionary