かいがいしい

i-adjective

brisk and efficient; diligent; devoted; spirited

Describes someone who works quickly, attentively, and wholeheartedly, often with a sense of cheerful dedication. Commonly used for housework, caregiving, or small tasks done without being asked.

• 彼かの女じょはかいがいしく家か事じをこなす。

  She briskly and efficiently handles the housework.

• かいがいしい働はたらきぶりに感かん心しんした。

  I was impressed by his/her diligent and spirited way of working.