a large and open container that has a water supply and you can use to wash your hands, dishes, etc. in
a covered cistern; waste water and sewage flow into it
a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
a process or thing that absorbs or removes energy or a specific substance from a system
to go under in a liquid
cause to sink
pass into a specified state or condition
pill bugs
go under
descend into or as if into some soft substance or place
to drop in value, amount, strength, etc.
appear to move downward
embed deeply
fall or sink heavily
to do something that prevents someone or something from achieving success