甲斐かい無ない

i-adjective

worthless; pointless; useless

Describes something that lacks value, effect, or purpose; often used when effort or expectation yields no meaningful result.

• こんなに努ど力りょくしても甲斐かい無ない結けっ果かだった。

  Even after all this effort, the result was worthless.

• 彼かれの助じょ言げんは甲斐かい無ないものだった。

  His advice was pointless.