When something is not smooth and feels bumpy or coarse, it is rough. You can touch it and feel the small bumps or edges on the surface.
The rough road hurts my bike tires.
She has rough hands from hard work.
A rough idea or plan is one that is not finished or very detailed. It gives basic information but not the exact or final details.
I drew a rough map of the city.
They gave a rough plan for the event.
When something is rough, it means it is not easy or pleasant. It can be a hard day or bad weather that causes problems.
He had a rough day at work.
The rough weather stopped our trip.
A rough game or play means it has a lot of strong or violent actions, like pushing or hitting, not gentle or soft.
The players played a rough game of football.
He got a rough hit during the match.
When the sea or ocean is rough, it has large waves and is not calm. It is difficult and sometimes dangerous for boats.
The sea was rough during the storm.
Boats stayed safe from the rough water.
If someone is rough, they behave in a way that is not kind or polite. They may be a little mean or harsh.
He was rough with the new student.
Don't be rough when you talk to people.
To rough something means to rub or scratch it so the surface is no longer smooth. This is often done before painting or finishing.
He roughed the wood with sandpaper.
They roughed the metal to paint it.
To rough something means to make a quick, simple calculation or guess without exact numbers or details.
She roughed the cost before the project.
Can you rough how many people will come?