Efficiently means achieving the best results with the least amount of wasted effort.
Word in 30 Seconds
- Achieving maximum results with minimum effort or time.
- Focuses on optimizing processes and avoiding waste.
- Commonly used in professional and study contexts.
Overview
- 1概要：「効率よく」は、目的を達成するために最も適切な方法を選び、時間やエネルギーの無駄を最小限に抑えることを意味します。ビジネスシーンから日常生活まで幅広く使われるポジティブな表現です。2) 使用パターン：動詞を修飾する副詞として使われ、「効率よく＋動詞」の形が一般的です。例：「効率よく働く」「効率よく覚える」。3) 一般的な文脈：仕事の進め方、勉強のスケジューリング、家事の段取りなどで頻繁に使われます。特に現代のビジネス環境では、生産性を重視する価値観から非常に好まれる言葉です。4) 類語との比較：「うまく」は結果が良好であることを指しますが、「効率よく」はプロセスにおける無駄のなさに焦点が当たります。「テキパキと」は動作の速さと正確さを強調しますが、「効率よく」はあくまで成果に対するコスト（時間・労力）のバランスを重視します。
Examples
時間を決めて、効率よく掃除をする。
everydayI will clean efficiently by setting a time limit.
プロジェクトを効率よく進めるための計画を立てます。
formalI will make a plan to proceed with the project efficiently.
もっと効率よくやれば、早く終わるよ。
informalIf you do it more efficiently, you'll finish sooner.
資源を効率よく分配することが求められている。
academicEfficient allocation of resources is required.
Common Collocations
Common Phrases
効率よく立ち回る
to navigate a situation efficiently
効率よく情報を得る
to obtain information efficiently
効率よく時間を使う
to use time efficiently
Often Confused With
Refers more to the speed and performance of mechanical or manual labor. Efficiently is broader and covers mental and logical processes as well.
Means 'effectively'. It focuses on whether the goal was achieved, whereas 'efficiently' focuses on the cost and effort of the process.
Grammar Patterns
How to Use It
Usage Notes
This word is neutral to formal and is frequently used in professional settings to describe high-quality work habits. It is almost always used with verbs that imply a process or action. Avoid using it in contexts where human connection or emotional depth is prioritized over speed.
Common Mistakes
Learners sometimes confuse it with 'effectively' (効果的に). Remember that 'efficiently' is about the 'how' (process), while 'effectively' is about the 'what' (result). Also, ensure you don't use it as an adjective; it is a dictionary-defined adverb.
Tips
Pair with action verbs for clarity
Use this word with verbs like 進める (proceed) or 行う (do) to clearly describe your work process. It sounds professional and proactive.
Avoid overusing in casual settings
While useful, using it too often can sound robotic or overly focused on productivity. Sometimes simple words like 'fast' are better for casual chat.
Japanese focus on process optimization
In Japanese business culture, 'efficiency' is highly valued as a sign of respect for others' time. Using this word shows you are considerate of deadlines.
Word Origin
The word comes from the kanji 効 (effect/result) and 率 (rate/ratio). It literally means the 'rate of effect' relative to the input.
Cultural Context
In Japan, efficiency is often linked to the concept of 'Kaizen' (continuous improvement). The ability to work efficiently is highly regarded as a sign of maturity and professionalism in the Japanese workplace.
Memory Tip
Think of a 'factory' (効率) that is running smoothly with no wasted parts. If you are 'efficiently' doing something, you are like that smooth, fast-moving factory.
Frequently Asked Questions
4 questionsほぼ同じ意味ですが、「効率」は投入した資源（時間・金・労力）に対する成果の割合を指し、「能率」は主に作業のスピードや処理能力に焦点を当てることが多いです。現代では「効率よく」の方が広い範囲で使われます。
はい、使えます。ただし、単に「効率よく進めます」と言うだけでなく、「効率よく進めるよう、工夫いたします」のように丁寧な動詞と組み合わせるとより適切です。
「非効率に」が直接的な反対語です。また、無駄が多いという意味で「無駄に」や「非生産的に」という表現も文脈に応じて使われます。
主に "efficiently" が使われます。また、文脈によっては "in an efficient manner" や "productively" と訳すことも可能です。
Test Yourself
忙しいので、仕事を___片付けたい。
忙しい時は時間や労力を節約する必要があるため、「効率よく」が最適です。
「彼は効率よく勉強した。」
効率よくは無駄を省くことを意味します。
（進める / 効率よく / 会議を / べきだ）
副詞は動詞の前に置くのが自然です。
Score: /3
Summary
Efficiently means achieving the best results with the least amount of wasted effort.
- Achieving maximum results with minimum effort or time.
- Focuses on optimizing processes and avoiding waste.
- Commonly used in professional and study contexts.
Pair with action verbs for clarity
Use this word with verbs like 進める (proceed) or 行う (do) to clearly describe your work process. It sounds professional and proactive.
Avoid overusing in casual settings
While useful, using it too often can sound robotic or overly focused on productivity. Sometimes simple words like 'fast' are better for casual chat.
Japanese focus on process optimization
In Japanese business culture, 'efficiency' is highly valued as a sign of respect for others' time. Using this word shows you are considerate of deadlines.
Examples
4 of 4時間を決めて、効率よく掃除をする。
I will clean efficiently by setting a time limit.
プロジェクトを効率よく進めるための計画を立てます。
I will make a plan to proceed with the project efficiently.
もっと効率よくやれば、早く終わるよ。
If you do it more efficiently, you'll finish sooner.
資源を効率よく分配することが求められている。
Efficient allocation of resources is required.
Related Content
This Word in Other Languages
Related Vocabulary
More business words
遅めに
B1Late or later than usual.
経理
B1Accounting, accounts department; managing financial records.
的確な
B1Accurate; precise; exactly correct.
達成する
B1To achieve; to accomplish a goal.
活性化
B2To make something more active, lively, or effective. It is used for communities (revitalization), economies (stimulation), and biological processes (activation).
付加
B2To add or attach something extra to an existing thing to increase its value or function.
優位性
B2The state of being in a superior or more advantageous position compared to others; an edge or competitive advantage.
有利
A2Advantageous, favorable; beneficial in a situation.
有利に
B1Advantageously; favorably.
宣伝する
B1To promote; to publicize; to advertise.
