Definitions

1. noun

a depression or hole in the ground, typically occurring suddenly, caused by subsidence of the ground surface, often due to the collapse of underground caverns or voids, erosion, or other geological processes.

“The recent heavy rainfall led to the formation of a sinkhole in the neighbor’s front yard.”

2. noun

a sudden or unexpected event or situation in which a particular situation, opportunity, or advantage is lost or disappears.

“Her chance to buy the house at a low price was a sinkhole in her plans to own a property by the end of the year.”