An awkward situation or quarrel.
Physical danger from the environment, especially with risk of drowning
An obstacle that hinders achievement of a goal.
The state of being difficult, or hard to do.
An objection.
That which cannot be easily understood or believed.
Something that is rough; a rough spot.
A measure of how rough something is, such as a surface
Abundance, especially of food.
Roughage; coarse fodder.
The property of being rough, coarseness.