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Webster 1913 Edition
Inexpugnable
Inˊex-pug′na-ble
,Adj.
Incapable of being subdued by force; impregnable; unconquerable.
Burke.
A fortress,
inexpugnable
by the arts of war. Milman.
Webster 1828 Edition
Inexpugnable
INEXPUG'NABLE
,Adj.