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dig up (third-person singular simple present digs up, present participle digging up, simple past and past participle dug up)

1. (transitive) To excavate something.
   • 2020 August 12, “Network News: Four new jacks at Clacton depot”, in Rail, page 18:

     The work involved a complete rewiring of the system, while the addition of four higher-capacity Mechan jacks and the increased length of the new train meant the entire floor (the length of four train carriages) had to be dug up, levelled and strengthened to meet tolerance requirements.

2. (transitive, idiomatic) To discover something by digging; to unearth.

   dig up information

   dig up proof

   dig up some scandalous stories

   dig some gossip up on him.

3. (transitive) To find a supply of (something); to pay up.

   You'll have to dig up eight grand to pay for this.