Home > Personal > Personal Lending > Mortgage > Mortgage Resources > Glossary > Backfill Backfill November 9, 2021 The replacement of excavated dirt into a hole, crevice or against a structure such as a foundation.You Might Also Like: All Things CommunityReviewing Random Acts of Kindness 2023 Everyday MoneyWhat are ACH Payments and How Do They Work? Family MattersFun Games to Teach Kids About Money Everyday MoneyWhat is the Difference Between a Credit Card and a Debit Card? Family MattersBudget Friendly Easter Basket Ideas