
Diaphanous
Visual Imagery
Use 'diaphanous' to evoke a delicate, airy visual image in the reader's mind, often in artistic or poetic contexts. 
Sense of Elegance
'Diaphanous' often conveys a sense of beauty and elegance, suited for describing fine clothing or decor. 
Metaphorical Use
Apart from literal thinness, 'diaphanous' can be used metaphorically to describe things that are insubstantial or vague. 