e.g. They hiked through rough terrain.
e.g. That exam was pretty rough, I would be surprised if I even passed!
e.g. Please submit a rough draft of your essay by tonight.
e.g. Do you have a rough idea of by when you will be reaching town?
e.g. The wood block is then roughed into the a spherical shape using sandpaper.
e.g. He roughed his hair up a little to make it look as if he had just woken up.
e.g. The innocent man was attacked by a gang of roughs who stole his wallet and backpack.