Translation guide
Describes something that does not produce desired results, or a person/activity that achieves little. Japanese uses different expressions depending on whether you mean inefficient, fruitless, or a person who doesn't get things done.
Describing work, meetings, efforts, etc. that don't lead to useful outcomes.
Direct equivalent; formal and often used in business or academic contexts.
今日の会議は非生産的だった。
Today's meeting was unproductive.
Literally 'fruitless'; emphasizes lack of tangible results. Slightly more literary.
実りのない議論が続いた。
The unproductive discussion continued.
Means 'low productivity'; used for systems, processes, or people.
この方法は生産性が低い。
This method is unproductive.
Means 'wasteful' or 'futile'; often used for efforts that yield nothing.
無駄な努力だった。
It was an unproductive effort.
Describing someone who is lazy, inefficient, or fails to produce results.
Common way to say someone is incompetent or unproductive at work.
彼は仕事ができない。
He is unproductive (at work).
Directly says 'has no productivity'; more formal.
あの社員は生産性がない。
That employee is unproductive.
Means 'incompetent'; stronger and more insulting than 'unproductive'.
彼は無能だ。
He is unproductive/incompetent.
Referring to land, factories, or capital that does not generate output.
Used in economics for non-productive assets or activities.
不生産的な投資
unproductive investment
Simply 'does not produce'; neutral.
この土地は何も生産しない。
This land is unproductive.
Calling someone 非生産的 (hiseisanteki) sounds unnatural and overly direct. Use 仕事ができない or describe the situation instead.