非ひ生せい産さん的てき

na-adjective

unproductive; counterproductive

Describes actions, methods, or situations that do not yield useful results or that actively hinder progress. Often used in business, economics, and self-improvement contexts.

• 長ちょう時じ間かんの会かい議ぎは非ひ生せい産さん的てきだ。

  Long meetings are unproductive.

• 非ひ生せい産さん的てきな議ぎ論ろんを続つづけても意い味みがない。

  There's no point in continuing a counterproductive discussion.