gut out

To persist through a difficult situation. I'm amazed you gutted it out and went to school with such a high fever.

To endure or tolerate some task or activity despite difficulties, hardships, or unpleasant conditions. A noun or pronoun can be used between "gut" and "out." I know you aren't enjoying college so far, but you should gut it out for at least the first year. Well, you gutted out your first winter in Siberia—how was it? I gutted that job out for nearly 10 years, but I came to realize that life is too short to spend it being miserable.

To endure or tolerate some task or activity despite pain, hardships, or unpleasant conditions. Used especially in reference to sports. A noun or pronoun can be used between "guts" and "out." I know your legs are sore, but we need you to guts it out for the last few minutes of the game. I'm surprised the captain gutsed out the entire season with that injury.

Also, tough it out. Show pluck and perseverance in the face of opposition or adversity. For example, I know it's hard but we'll just have to gut it out, or His boss has a terrible temper, but Joe is determined to tough it out. The first term dates from the mid-1900s; the variant was first recorded in 1860.

To show pluck and perseverance in the face of opposition or adversity.