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data quality debt
/ˈdeɪ.tə ˈkwɒl.ɪ.ti det/ - n.
1 [colloq.] The interest paid every quarter on the validation skipped to make one deadline two years ago.Keep. Punchy.This is the problem.
Working definition
2. The accumulated future cost of deferred quality work — unfixed defects, skipped validation, and undefined rules — that compounds as systems build on top of it.