also: しいこうい
noun
demonstration; protest; show of force
Refers to an act intended to display power, opposition, or a political stance, often through marches, rallies, or symbolic actions. Can also be used more broadly for any conspicuous display of intent.
労働組合は賃上げを求めて示威行為を行った。
The labor union staged a demonstration to demand a wage increase.
その軍事演習は近隣諸国に対する示威行為とみなされた。
The military exercise was regarded as a show of force against neighboring countries.
A common abbreviation of デモンストレーション, often used for street protests or marches. 示威行為 is more formal and can imply a broader display of power or intent beyond just public protest.
Means 'protest' in the sense of expressing objection. 示威行為 emphasizes the visible, demonstrative aspect of the action, while 抗議 focuses on the act of objecting itself.
Compound of 示威 (じい, 'demonstration of power or intent') and 行為 (こうい, 'act, deed'). The reading じい is standard; しい is a less common variant.