Pronunciation: (in'nis),[key] —n.Informal. 1. the state or quality of being fashionable: the in-ness of his new wardrobe. 2. the state or quality of being part of a select or exclusive group: her in-ness with the literary crowd.
Pronunciation: (in'is),[key] —n. George, 1825–94, and his son George, 1854–1926, U.S. painters.