The quality or state of being antinous; resemblance to or characteristics of Antinous (historically, the lover of Roman Emperor Hadrian).
From Antinous (the historical figure, a youth beloved by Emperor Hadrian in the 2nd century) + -ness (quality or state). Rare term from literary or historical contexts.
Antinous became so famous after his tragic death that the Roman Emperor Hadrian created a whole religious cult around him—so 'antinoness' is basically a word for having that kind of historical beauty and tragic appeal!
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