na-adjective, noun
exhilarating; thrilling; intensely pleasurable
Describes a deeply satisfying, refreshing, and exciting feeling, often from a clear resolution, a witty remark, or an enjoyable spectacle. Common in phrases like 痛快な気分 or 痛快な物語.
彼の痛快なスピーチに会場が沸いた。
The audience erupted at his thrilling speech.
この映画は痛快なアクションが満載だ。
This movie is packed with exhilarating action.
Composed of 痛 (pain, intense) and 快 (pleasure, comfort). The combination suggests a pleasure so intense it almost hurts, hence 'exhilarating' or 'thrilling'.