cut the ground from under someone's feet

cut the ground from under(neath) (one's) feet

To diminish or undermine one's power or effectiveness, especially in a sudden or unexpected manner. I plan to cut the ground from underneath the prosecutor's feet with this line of questioning.

See also: cut, feet, ground

Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

cut the ground from under someone's feet

do something which leaves someone without a reason or justification for their actions or opinions. informal

See also: cut, feet, ground

Farlex Partner Idioms Dictionary © Farlex 2017