威い勢せい

noun

power; authority; influence

Refers to social or political force, authority, or influence that someone or some group can exert. Common in the phrase 威勢を振るう, meaning to wield power or hold sway.

• かつてその一いち族ぞくはこの町まちで威い勢せいを振ふるっていた。

  That family once wielded great influence in this town.

noun

vigor; energy; boldness; high spirits

Describes lively, forceful, or bold spirit, often in expressions such as 威勢がいい and 威勢よく. It can be positive, but may also imply loud bravado depending on context.

• 市いち場ばでは店てん員いんたちが威い勢せいよく客きゃくに声こえをかけていた。

  At the market, the shop staff were energetically calling out to customers.

• 彼かれは威い勢せいのいいことを言いったが、結けっ局きょく何なにもしなかった。

  He talked boldly, but in the end he did nothing.