plumb the depths of something

plumb the depths (of something)

To experience, understand, explore, or exhibit something in explicit detail or to an extreme degree. These valiant officers plumb the depths of heroism every day that they step foot on our streets. This new study aims to plumb the depths of the relationship between one's mood and one's appetite. I plumbed the depths of grief and despair for years after the death of my son; my hope is that I can now help others who are struggling in similar situations.
See also: depth, plumb

plumb the ˈdepths of something

reach the lowest or most extreme point of something: When his friend was killed, he plumbed the depths of despair.Originally, this referred to finding out the depth of the sea, etc. by dropping a weight tied to a rope into the water.
See also: depth, of, plumb, something