デモ

でも

noun

demonstration; protest; demo

1. demonstration; protest march

A public gathering or march to express political or social opposition or support for a cause.

学生(がくせい)たちがデモを行(おこな)った。

The students held a demonstration.

反戦(はんせん)デモに何千人(なんぜんにん)もの人(ひと)が参加(さんか)した。

Thousands of people participated in the anti-war demonstration.

大規模(だいきぼ)なデモ行進(こうしん)で道路(どうろ)がふさがれ、車(くるま)がまったく通(とお)れなくなった。

A large-scale protest march blocked the streets, making it completely impossible for cars to get through.

2. demo; demonstration (of a product or skill)

A practical display or preview showing how something works.

新(あたら)しいソフトウェアのデモを見(み)せてもらった。

I was shown a demo of the new software.

このゲームのデモ版(ばん)を無料(むりょう)でダウンロードできる。

You can download the demo version of this game for free.

デパートの食品売(しょくひんう)り場(ば)で、有名(ゆうめい)なシェフが料理(りょうり)のデモをしているのを見(み)て、つい足(あし)を止(と)めてしまった。

I couldn't help stopping when I saw a famous chef doing a cooking demonstration at the department store's food section.

デモ is a shortened form of デモンストレーション (demonstration). Used for both political protests and product/skill demonstrations.

COMMON COLLOCATIONS (protest):

デモを行(おこな)う (to hold a demonstration)
デモに参加(さんか)する (to participate in a protest)
デモ行進(こうしん) (protest march)
反戦(はんせん)デモ (anti-war protest)
抗議(こうぎ)デモ (protest demonstration)
大規模(だいきぼ)なデモ (large-scale demonstration)

COMMON COLLOCATIONS (demo, preview):

デモを見(み)せる (to show a demo)
デモ版(ばん) (demo version — software/games)
デモ機(き) (demo unit/machine)
デモ動画(どうが) (demo video)

Usage

Context usually makes the meaning clear. In news and political contexts, デモ means protest. In business and tech contexts, it means a demonstration or preview.

general

Added 2026.3.25 22:28 · Revised 2026.10.19 21:31

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