即そっ興きょう的てき

na-adjective

improvised; impromptu; off-the-cuff

Describes something done without preparation, on the spot. Often used for speeches, performances, or creative acts.

• 彼かれの即そっ興きょう的てきなスピーチはとても感かん動どう的てきだった。

  His impromptu speech was very moving.

• 即そっ興きょう的てきな演えん奏そうが一いち番ばん楽たのしい。

  Improvised performances are the most fun.