Cut the ground from under somebody’s feet
phrase
To suddenly make someone's position or situation much less secure by doing something unexpected.
When they launched their own version of our product, they cut the ground from under our feet.

Often appears as...
- being fired cut the ground from under his feet
- his decision cut the ground from under their feet
Usage tips
Disapproving
Idiomatic
phrase
To suddenly make someone's position or situation much less secure by doing something unexpected.
When they launched their own version of our product, they cut the ground from under our feet.

Often appears as...
- being fired cut the ground from under his feet
- his decision cut the ground from under their feet
Usage tips
Disapproving
Idiomatic
Definition 1 of 1

Unexpected Betrayal
The phrase often implies a sense of betrayal or disloyalty from someone thought to be an ally.

Trusting them with our plans, only to have them compete against us, really cut the ground from under our feet.
Emotional Impact
It evokes feelings of shock, instability, and loss of support, much like a physical fall.

After being denied the promotion, it felt like they'd cut the ground from under my feet.
Strategic Maneuver
Can indicate a clever or strategic move by others that puts someone at a disadvantage.

They waited until I had made my argument to reveal the evidence, cutting the ground from under my feet.
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