unconcrete
/ˌʌn.kənˈkrɪt/Definitions
1. adjective
Lacking in clarity or precision; vague.
“The politician’s unconcrete promises failed to convince the voters.”
2. adjective
Not made of concrete; not of the nature of concrete.
“The unconcrete path led through the garden.”
3. noun
The state of being unconcrete.
“The project’s unconcrete nature made it difficult to plan.”