Definition of sinkholes

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  • sinkholes is a valid Scrabble US word with a point value of 16
  • sinkholes is a valid Scrabble UK word with a point value of 16
  • sinkholes is a valid Words with friends word with a point value of 17

Definition of sinkholes

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

    Synonyms

    1. sink
    2. swallow hole

See definition of sinkholes in Merriam Webster