Definition of "backfilling" [backfilling]

• Present participle of backfill. (verb)

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• "U.S. officials, meanwhile, have warned China not to undercut international moves by "backfilling," or working with Tehran in areas vacated by other countries observing of the sanctions."
• "The judge was kind of backfilling and saying, "And you did waive your appearance to be here.""
• "Wetland restoration approaches are numerous and include engineering solutions such as backfilling canals and the removal of contaminated groundwater, biological interventions including controlling the impact of feral fish and reestablishing wetland plants, and hydrological management to increase the effective inundation across floodplains and reintroduction of drying cycles."