ダミー

だみー

noun

dummy, fake, stand-in

1. dummy, fake, stand-in

Something that imitates or substitutes for the real thing. Used for placeholders, decoys, fake items, or test objects.

ダミーのデータを使(つか)う。

To use dummy data.

防犯(ぼうはん)カメラはダミーだった。

The security camera was a dummy.

テスト用(よう)にダミーの会社名(かいしゃめい)を入力(にゅうりょく)して動作(どうさ)確認(かくにん)をした。

I entered a dummy company name for testing to verify the system worked.

Usage

ダミー is used as a noun or as a modifier (ダミーの〜). Common in technology, security, and testing contexts. Unlike English "dummy," it is not used as an insult for a person in Japanese.

Common collocations

ダミーデータ: dummy data, placeholder data
ダミー会社(かいしゃ): dummy company, shell company
ダミーの防犯(ぼうはん)カメラ: dummy security camera
ダミー人形(にんぎょう): crash test dummy, mannequin

general

Added 2026.2.13 5:10 · Revised 2026.9.2 13:01

11000/11039_damii