甲斐甲斐(かいがい)しい

かいがいしい
i-adjective
devoted; diligent; attentive
personality
Conjugation
AffirmativeNegative
Present甲斐甲斐(かいがい)しい甲斐甲斐(かいがい)しくない
Past甲斐甲斐(かいがい)しかった甲斐甲斐(かいがい)しくなかった
て form甲斐甲斐(かいがい)しくて甲斐甲斐(かいがい)しくなくて
Adverbial甲斐甲斐(かいがい)しく—
Conditional ば甲斐甲斐(かいがい)しければ甲斐甲斐(かいがい)しくなければ
Conditional たら甲斐甲斐(かいがい)しかったら甲斐甲斐(かいがい)しくなかったら
1. devoted; diligent; attentive; industrious
Working or caring for someone with energetic dedication and attentiveness. Often describes someone bustling about to help or serve others with enthusiasm and care.
She devotedly cared for the sick person.
母(はは)は甲斐甲斐(かいがい)しく家事(かじ)をこなす。
Mother diligently takes care of the housework.
I was impressed by how industriously they worked.

Usage

Describes someone bustling about with energetic devotion, usually in looking after someone, housework, or serving guests. Mostly used adverbially:

Similar words

  • まめ: diligent about small tasks and keeping in touch; 甲斐甲斐(かいがい)しい stresses visible, active devotion to someone
  • 献身的(けんしんてき): self-sacrificing, devoted; more formal and stronger

Etymology

From 甲斐(かい) (worth, effect): working in a way that shows results.