Question

“she had had certain ways of expression that told him that her statements on the subject came from a deep conviction. moreover, on her side, was his belief that her ethical motive in the argument was impregnable.” what does the word “impregnable” mean in this sentence? a unable to be heard b unable to be broken c unable to be heeded d unable to be spoken

Explanation:

The context suggests her ethical motive in the argument is very strong and unassailable. "Impregnable" means not able to be broken or defeated. In this context, it implies her ethical motive cannot be broken.

Answer:

B. unable to be broken