Yes, it is.
The roughest seas are typically found in the Southern Ocean, around the Southern Hemisphere, due to strong winds and currents. The North Atlantic Ocean, particularly in the area known as the "Roaring Forties," is also known for rough seas due to frequent storms and high waves.
The world's roughest person went to court.
Baseball
Giraffe (GiROUGH)
the drake passage.
bagdad iraq
That's what I've always heard!
The word roughest is the superlative form for the adjective rough (rougher, roughest). The noun form for the adjective rough is roughness.
That was the roughest material i ever felt in my life?
There are only seven (7) seas
Rougher and roughest