While the ocean is wide, the trench may be far from continental sources of sediment and so may be deep. As continents approach each other, the trench can fill with continental sediments and become shallower.
Definition of blunt. 3a : abrupt in speech or manner She tends to be blunt. a blunt refusalb : being straight to the point : direct To be perfectly blunt, I don't think he can do it.
Definition of sharp for English Language Learners. : 1  having a thin edge that is able to cut things or a fine point that is able to make a hole in things. : 2  sudden and quick. : 3  involving a sudden change in direction.