sentimentality

From sentimental + -ity.

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sentimentality (plural sentimentalities)

1. An act or state of being sentimental.
   • 2021 July 29, Mike Hale, “Review: ‘The Pursuit of Love’ Against All Odds”, in The New York Times‎^[1]:

     Things that were implicit and largely unjudged in the book, filtered through layers of stiff-upper-lip irony — Fanny’s self-pity, Linda’s obliviousness — are now foregrounded and, for the most part, rendered banal, with “Beaches”-level platitudes and sentimentality.