Definitions

1. verb

past tense of sink; to move down into water or another fluid, or to fall or drop down

“The ship sank to the bottom of the ocean.”

2. noun

the act of sinking or going down

“The sinking of the ship was a disaster.”

3. verb

to become lower or less in amount, degree, or strength

“The market sank after the economic crisis.”

4. noun

a depression or hollow in the ground

“The old well was a sunken pit in the field.”