stop at nothing (to do (something))

to be willing to do anything to get what you want.

She sets herself a goal and then stops at nothing to achieve it.

Usage notes: often used in the form will stop at nothing:

Those people will stop at nothing, including murder, to harm you.

We just don't know how much America must be reshaped to cope with a terrorist enemy that will stop at nothing.

• at the bottom of the ladder
• at the bottom of the pile
• at the chalkface
• at the coalface
• at the crack of dawn
• at the cutting edge
• at the double
• at the drop of a hat
• at the eleventh hour
• at the end of the day
• at the expense of
• at the expense of something
• at the hands of
• at the hands of someone
• at the helm
• at the helm of
• at the helm of something
• at the latest
• at the mercy of
• at the mercy of someone
• at the mercy of something
• at the moment
• at the most
• at the outside
• at the point of