たゆまない

i-adjective

untiring; steady; persistent

Describes continuous, unwavering effort or dedication without slackening. Often used in formal or literary contexts to praise diligence.

See also: たるむ

• 彼かれのたゆまない努ど力りょくが実みを結むすんだ。

  His untiring efforts bore fruit.

• たゆまない研けん究きゅうの末すえ、新しん薬やくが開かい発はつされた。

  After persistent research, a new drug was developed.