Last Updated：2025/11/21

The material that has been used to refill an excavation. / (US) Reserve support personnel. / (US) That which backfills; a replacement.

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backfill

Source Word

backfill

Noun

countable uncountable US

Japanese Meaning

掘削した穴を埋めるために使用される充填材 / 補充支援要員（主に米国での用法） / 補欠または代替となるもの

After the foundation was inspected, the crew compacted the backfill around the footings to prevent settlement.

基礎の検査が終わった後、作業員は沈下を防ぐために基礎まわりの埋め戻し材を締め固めました。

Sense（1）

The material that has been used to refill an excavation.

Sense（2）

(US) Reserve support personnel.

Sense（3）

(US) That which backfills; a replacement.

Sense（4）

(literature) Material in a story set earlier in the past, providing history or context for the current action.

backfills

（ plural ）