To sink or go away into the ground or earth (place or person), become depressed (such as the eye becoming depressed in the head), to lose sight/become blind, to lose light (like the sun or moon during an eclipse), become defective or deficient, become lean or emaciated, to recover (such as from disease or illness), to put out one's eye, make a hole in a thing, to abase or humble or make lowly, to disgrace, to be vile.