impermeable
not allowing passage through
Roots
- -able / -ible: able to be, fit to be, or worthy of
- im- / in- (not): not or without
- meare: go, pass, or flow through
- per-: through, thoroughly, or completely
Other words with the meare root
Impermeable adds not: the passage through is blocked.
The clay layer was impermeable so water pooled above it.