in-ness

[ in-nis ]
/ ˈɪn nɪs /

noun Informal.

the state or quality of being fashionable: the in-ness of his new wardrobe.
the state or quality of being part of a select or exclusive group: her in-ness with the literary crowd.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019