Final answer:
The word 'diaphanous' means sheer or translucent. The hosts of the podcast are tired of seeing transparent or light fabric dresses on the red carpet.
Step-by-step explanation:
The word 'diaphanous' means sheer, thin, or translucent. In the context of the podcast about fashion, the hosts are expressing their boredom with seeing many dresses made of transparent or light fabric on the red carpet. These dresses may lack variation or novelty, leading to their dissatisfaction.
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