Meaning of the word insubstantial in English

What does insubstantial mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

insubstantial

US /ˌɪn.səbˈstæn.ʃəl/
UK /ˌɪn.səbˈstæn.ʃəl/

Adjective

1.

lacking strength and solidity; weak or flimsy

Example:
The evidence presented was too insubstantial to convict him.
The old bridge looked insubstantial and unsafe.
2.

not solid or real; imaginary

Example:
Her dreams felt insubstantial upon waking.