Efficient; acting in a way that avoids waste of time, effort, or resources and achieves goals effectively.
効率的に仕事を進めるために、まず優先順位を決めた。
To work efficiently, I first decided the priorities.
エネルギーを効率的に使う家電が増えている。
There are more appliances that use energy efficiently.
会議は短く効率的に行うべきだ。
Meetings should be held briefly and efficiently.
効率的な掃除の方法を教えてください。
Please tell me an efficient way to clean.