Which of the following movements was Arthur Symons was referring to as 'an interesting disease' and 'an…

“Decadence” is the movement Symons characterises through the language of an interesting disease and refinement upon refinement, emphasising extreme aesthetic cultivation. “Celtic Revival”, “Romantic Movement” and “Feminism” name different cultural or literary formations and do not identify that formulation. The proposed answer derives from the remembered critical association rather than a consulted key.