sink

Sense 1 noun

plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe

Sense 2 verb

fall or descend to a lower place or level

He sank to his knees

Sense 3 noun

(technology) a process that acts to absorb or remove energy or a substance from a system

the ocean is a sink for carbon dioxide

Sense 4 verb

cause to sink

The Japanese sank American ships in Pearl Harbor

Sense 5 noun

a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof

Sense 6 verb

pass into a specified state or condition

He sank into nirvana

Sense 7 noun

a covered cistern; waste water and sewage flow into it

Sense 8 verb

go under,

The raft sank and its occupants drowned

Sense 9 verb

descend into or as if into some soft substance or place

He sank into bed

Sense 10 verb

appear to move downward

The sun dipped below the horizon

Sense 11 verb

fall heavily or suddenly; decline markedly

The real estate market fell off

Sense 12 verb

fall or sink heavily

He slumped onto the couch

Sense 13 verb

embed deeply

She sank her fingers into the soft sand