Find Synonyms
sinkhole Synonyms
Another word for sinkhole
Choosing another word for sinkhole depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• noun (Context 1)
A natural cavity or depression in the ground, especially in a limestone karst region, formed by water erosion and the collapse of a surface layer, often providing a route for surface water to disappear underground.
Usage Example
"Heavy seasonal rains caused a massive swallow hole to open beneath the highway."
Strongest
swallow hole
doline
Strong
cenote
cavity
Weak
chasm
pit
• noun (Context 2)
A situation, enterprise, or project that consumes vast amounts of money, time, or resources without yielding a worthwhile return.
Usage Example
"The outdated software migration quickly became a financial money pit for the company."
Strongest
money pit
Strong
black hole
drain
Opposites of sinkhole
The opposite of sinkhole shifts depending on context. Common opposites include:
gold mine
cash cow
Cite this Entry
Wordmom. (2026). Synonyms for Sinkhole. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/sinkhole