The word "nether" is an adjective that means "lower in position or quality." It can be used to describe something that is situated at a lower level, either physically or metaphorically. For example, one might speak of the nether regions of a cave, meaning its lowest part, or refer to someone's nethermost feelings, indicating their deepest and most hidden emotions. The word can also be used in a figurative sense to describe something that is inferior or substandard, as in "he was never one for the nether things of life."