Past tense of backfill
regular verb
The past tense of backfill is backfilled. The past participle is also backfilled.
Forms of backfill
| Base form (V1) | backfill /ˈbækfɪl/ |
|---|---|
| Past tense (V2) | backfilled |
| Past participle (V3) | backfilled |
| Present participle | backfilling |
| Third person singular | backfills |
Backfilled in a sentence
- We backfilled the cistern with pea gravel to discourage its use as a refuse container.
- The company backfilled Joe's position after he was terminated.
- They were dug down one metre and backfilled with gravel or rubble stone to provide internal buttresses and deep drains.2021 April 7, “Network News: A long-standing problem: Victorian efforts to secure unstable slopes”, in RAIL, number 928, page 11. From the entry counterfort
- A related consideration is the porosity increase due to creep of the host rock into the backfilled workings.1986, Environmental Assessment, Deaf Smith County Site, Texas, page 6-110. From the entry host rock
Meaning of backfill
- verb To refill a hole with the material dug out of it.
- verb To refill an excavation unit to restore the former ground surface and/or to preserve the unit and make it recognizable as having been excavated.
- verb To provide reserve support.
Questions about the past tense of backfill
- What is the past tense of backfill?
- The past tense of backfill is backfilled.
- What is the past participle of backfill?
- The past participle of backfill is backfilled.
- Is backfill a regular or irregular verb?
- Backfill is a regular verb: its past tense adds -ed.
Source and license
Adapted from Wiktionary: backfill (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Past tense of backfill.” Word.ws, https://word.ws/past-tense/backfill. Based on Wiktionary, CC BY-SA 4.0.