Definition of Insubstantial

not enough; not strong enough

Examples of Insubstantial in a sentence

Because the evidence was insubstantial, there wasn’t strong enough proof to charge the man with murder.  🔊

Tina assured her mother that a silly dream was insubstantial proof that trouble was headed their way.  🔊

An insubstantial amount of people wanted a recount, but they were too few to make it happen.  🔊

The couple had an insubstantial amount of money to go on the trip, so they ended up staying at home.  🔊

Kate was sure the man had stolen the money, but her gut instinct was insubstantial proof.  🔊

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