Definition of unsubstantial
: not substantial : lacking substance, firmness, or strength unsubstantial shadows
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Examples of unsubstantial in a Sentence
as thin and unsubstantial as the wind
an unsubstantial child who was unfit to play sports of any kind
First Known Use of unsubstantial
15th century
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Thesaurus: All synonyms and antonyms for unsubstantial
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