1. 形容詞
   單薄的, 脆弱的
   非實質的, 無實體的
   

   同義字詞
   cobwebby,filmy,flimsy,frothy,gauzy,gossamer,gossamery,sleazy,unsubstantial
   bodiless,ethereal,formless,immaterial,incorporeal,nonmaterial,nonphysical,spiritual,unbodied,unsubstantial
   

例句

1. An enjoyable if rather insubstantial loaf.
2. It makes his whole face seem insubstantial .
3. Polls are an impersonal, insubstantial gimmick.
4. Pleasant, yet insubstantial as a summer breeze.
5. It had pointed insubstantial fingers in his direction.
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