unforeseeable
adjective /ˌʌnfɔːˈsiːəbl/
/ˌʌnfɔːrˈsiːəbl/
- that you cannot predict or foresee
- Building a dam here could have unforeseeable consequences for the environment.
Extra Examples- The sort of liability that can occur is often unforeseeable and can be expensive.
- You need to allow for any unforeseeable expenses.