backfill

verb

back·​fill ˈbak-ˌfil How to pronounce backfill (audio)
backfilled; backfilling; backfills

transitive + intransitive

: to refill (something, such as an excavation) usually with excavated material
backfill a trench
backfill noun

Examples of backfill in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Crowley, who is running for governor, was one of three Wisconsin gubernatorial candidates who called on the state to backfill FoodShare. Claudia Levens, jsonline.com, 4 Nov. 2025 Along with ordering the federal government to use emergency reserves to backfill SNAP benefits, McConnell ruled that all previous work requirement waivers must continue to be honored. Eva Roytburg, Fortune, 31 Oct. 2025 Lawmakers also expressed concerns that the federal government might not backfill dollars if the state steps into the void to ensure SNAP benefits remain unaffected during the shutdown. Nushrat Rahman, Freep.com, 23 Oct. 2025 Place the mum in the hole, backfill it with soil, and water the plant thoroughly. Karen Brewer Grossman, Southern Living, 12 Sep. 2025 Teams such as Grand Canyon and UC Davis will backfill the Mountain West. Shaun Goodwin, Idaho Statesman, 9 Sep. 2025 The county will be asking voters in November to approve a five-eights-of-a-cent sales tax increase to help backfill some of the lost dollars. Grace Hase, Mercury News, 6 Sep. 2025 Although Moscow's ground forces are being chewed up in the grinding war in Ukraine's east, Russia has wound up its defense industry to backfill its constant equipment losses and regular strikes across Ukraine. Ellie Cook — Reporting From Prague, Czech Republic, MSNBC Newsweek, 3 Sep. 2025 New Loons striker Momo Dieng, who the club brought in from Hartford Athletic in the USL Championship to backfill for Oluwaseyi, made his debut in the 77th minute. Andy Greder, Twin Cities, 31 Aug. 2025

Word History

First Known Use

1874, in the meaning defined above

Time Traveler
The first known use of backfill was in 1874

Browse Nearby Words

Cite this Entry

“Backfill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/backfill. Accessed 9 Nov. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!