1. 形容詞
   未經證實的
   無事實根據的
   

   同義字詞
   baseless,foundationless,groundless,invalid,nonvalid,unfounded,unreasonable,unsupported,unwarranted
   

例句

1. It's time for another unsubstantiated ghost story!
2. An unsubstantiated claim to justify Spanish retreat.
3. Anything less is merely an unsubstantiated opinion .
4. The state found the majority of those to be unsubstantiated .
5. The terms substantiated and unsubstantiated create confusion.
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