It is quite frustrating, I admit. But now I understand better. Dull of hearing is the opposite to sharp hearing. Dull and sharp are opposite adjectives which we usually use to describe knives or scissors, razors or anything that cuts. These objects get dull by either lack of use or lack of sharpening.
masâ¢sive /ËmaesÉªv/ËMÃ¦SÉªV usa pronunciation. adjâ¢masâ¢sive, ly. advâ¢masâ¢sive, ness. [n]. 1  uncountable made up of or forming a large:mass the massive columns of the ancient. 2  temple large or:prominent a massive.  forehead
monumental - relating or belonging to or serving as a monument; the use of the arch in monumental architecture; monumental sculptures. 2. monumental - of outstanding significance; Einstein's monumental contributions to physics.