Ascertained and Impregnable

Ascertained adjective - Discovered or determined by scientific observation.

Impregnable and ascertained are semantically related. In some cases you can use "Impregnable" instead an adjective "Ascertained".

Nearby Words: ascertainment, ascertaining

Impregnable adjective - Incapable of being defeated, overcome, or subdued.

Ascertained and impregnable are semantically related. Sometimes you can use "Ascertained" instead an adjective "Impregnable".

Nearby Words: impregnate, impregnation, impregnated, impregnability, impregnating