From Wiktionary, the free dictionary
From snoopish + -ness.
snoopishness (uncountable)
- (rare) The quality of being snoopish.
1999, Valerie J. Matsumoto, Blake Allmendinger, Over the Edge: Remapping the American West[1]:Visitors to Salt Lake were thus the living, walking embodiments of the component of snoopishness in tourism.
