not have the stomach (for (something))

to not feel strong or brave enough to do something unpleasant.

The soldiers did not have the stomach for another fight.

Usage notes: sometimes used in the form not have the stomach to do something:

I don't think I've got the stomach to argue with her again about money.

Related vocabulary: not have the heart to do something, your heart isn't in it

• put your mind to it
• put your money on someone
• put your money on something
• put your money where mouth is
• put your money where your mouth is
• put your neck on the block
• put your neck on the line
• put your oar in
• put your own house in order
• put yourself in place
• put yourself in someone's place
• put yourself through
• put yourself through something
• put your shirt on
• put your shirt on something
• put your shoulder to the wheel
• put your thinking cap on
• put your two cents in
• put your two cents worth in
• puzzle out
• puzzle out something
• puzzle over
• puzzle over something
• Pyrrhic victory
• QED