What is "undermined"

Usage examples of "undermined".

As in nature the growth of trees and their proneness where undermined to fall across the slope and support the bank secures at some points a fair depth of channel and some degree of permanence, so in the project of the engineer the use of timber and brush and the encouragement of forest growth are the main features.

Kronstadt uprising undoubtedly reflected the growing mood of disillusionment with War Communism among the masses, first and foremost of the more backward and peasant elements, but increasingly among workers whose morale had been undermined by years of war, civil war and famine.

So she Claudine abruptly stopped the response, more furious at herself for being undermined than at the anything but fumbling questioning.

The strongest investigative theory, of monstrously orchestrated and obscene racism, was undermined by the finding in Amsterdam and Brussels of two similarly dismembered and distributed white girls.

All the while the feeling of being undermined, that my defenses were crumbling, grew stronger and stronger.