(こうりつせい)

こうりつせい
noun
efficiency
1. efficiency
The quality of being efficient; the ratio of output to input in a process.
効率性(こうりつせい)大事(だいじ)だ。
Efficiency is important.
仕事(しごと)効率性(こうりつせい)()げたい。
I want to improve work efficiency.
効率性(こうりつせい)品質(ひんしつ)のバランスを()る。
To balance efficiency and quality.
業務(ぎょうむ)効率性(こうりつせい)(たか)めるために会議(かいぎ)(ひら)いた。
We held a meeting to improve work efficiency.
効率性(こうりつせい)追求(ついきゅう)するあまり、社員(しゃいん)負担(ふたん)(おお)きくなっている。
In the excessive pursuit of efficiency, the burden on employees has grown.

効率性(こうりつせい) refers to the quality or degree of efficiency — how well resources (time, money, effort) are used to achieve results.

WORD FORMATION:
効率(こうりつ) (efficiency) + (せい) (quality/nature). The (せい) suffix creates abstract quality nouns.

COMMON COLLOCATIONS:

  • 効率性(こうりつせい)(たか)める: to improve efficiency
  • 効率性(こうりつせい)重視(じゅうし)する: to prioritize efficiency
  • 効率性(こうりつせい)向上(こうじょう): improvement of efficiency
  • 効率性(こうりつせい)(ひく)い: efficiency is low

SIMILAR WORDS:

  • 効率性(こうりつせい): efficiency as a quality (abstract)
  • 効率(こうりつ): efficiency (more general, concrete)
  • 生産性(せいさんせい): productivity
  • 能率(のうりつ): work efficiency, productivity

NOTE:
効率(こうりつ) alone is more common in everyday speech; 効率性(こうりつせい) appears more in formal/academic writing.