Constant and Impregnable

Constant adjective - Not undergoing a change in condition.

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

Nearby Words: consistent, constantly, constancy, Constance, Constanta

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

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

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