sinkhole

noun sink·hole \ ˈsiŋk-ˌhōl \
Updated on: 19 Feb 2018

Definition of sinkhole

1 : a hollow place or depression in which drainage collects
2 : a hollow in a limestone region that communicates with a cavern or passage
3 : sink 2
4 : something (such as an unprofitable investment) that steadily drains money or resources
  • a financial sinkhole

Recent Examples of sinkhole from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sinkhole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sinkhole

15th century


SINKHOLE Defined for English Language Learners

sinkhole

noun

Definition of sinkhole for English Language Learners

  • : a low area or hole in the ground that is formed especially when soil and rocks are removed by flowing water


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