non-U-ness en · NOUN
Etymology
From non-U + -ness.
Meanings
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(dated, uncommon, uncountable) The state or quality of being non-U.
He's amiable and relaxed all right; but they couldn't have picked anybody, except Will Rogers who is dead, who more calmly embodies American Classlessness, and a triumphant and assured Californian Non-U-ness.
1999, Nathaniel Burt, The Perennial Philadelphians: The Anatomy of an American Aristocracy, University of Pennsylvania Press, →ISBN, page 450: