rock/shake (something) to its foundations

to damage or change an organization or a person's beliefs very much.

Allegations of scandal and abuse have rocked the party to its foundations.

The ideas seemed to make sense, but shook the foundations of her own Christian beliefs.

• out of commission
• out of control
• out-of-date
• out of depth
• out of hair
• out of hand
• out of hands
• out of keeping with
• out of keeping with something
• out of kilter
• out of league
• out of left field
• out of line
• out of luck
• out of mind
• out of order
• out of place
• out of practice
• out of print
• out of season
• out of sight
• Out of sight, out of mind.
• out of sight, out of mind
• out of someone's hair
• out of someone's way