drill down(redirected from drilled down)
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1. To bore a hole down into something. Unfortunately, we need to drill down into the ground to try to find the burst pipe.
2. To examine or study something in detail. OK, how can I drill down and get more information on each payee on this spreadsheet?
drill down (to something)
to bore downward to something or some distance. We drilled down to a layer of waterbearing sand, hoping to make a well. They had to drill down to bedrock to make a base for the piers that hold the building up.