A tough person is strong and determined, and can tolerate difficulty or suffering.

If you describe someone as tough, you mean that they are rough and violent.

A tough place or area is considered to have a lot of crime and violence.

A tough way of life or period of time is difficult or full of suffering.

A tough task or problem is difficult to do or solve.

Tough policies or actions are strict and firm.

A tough substance is strong, and difficult to break, cut, or tear.

Tough meat is difficult to cut and chew.

If someone who is trying to achieve something hangs tough, they remain determined and do not give up, even when there are difficulties or problems.