unsweepable en · ADJ
Etymology
From un- + sweepable.
Meanings
-
(not-comparable) Of a mine: incapable of being located by minesweeping.
We have begun each of our last two wars with the enemy laying unsweepable mines. I shall not dwell on the unsweepable mine of 1914.
1997, Eric Grove, The Defeat of the enemy attack upon shipping, 1939-1945, page xxxiv: