synonym Comparative
減少
VS
削減
Differences Between "減少" and "削減"
Option A
減少
Meaning
decrease; reduction; decline
Reading
げんしょう (genshou)
Syllabus Level
N3
Practical Example
システムのスマートな負荷分散アルゴリズムの導入により、サーバーのピーク時メモリ消費が劇的に_______しました。
Through the introduction of the smart load balancing algorithm of the system, the memory consumption of the server during peak hours dramatically decreased.
Option B
削減
Meaning
cut, reduction, curtailment
Reading
さくげん (sakugen)
Syllabus Level
N3
Practical Example
経費の削減が急務です。
Reducing expenses is an urgent task.
Which one to use?
Select the correct Japanese word for this context
Which word fits this context: "(decrease; reduction; decline)"?
🎉 正解 / Correct!
使い分け解説:
- 減少: Refers to statistical metrics (population, sales, active users, CPU load) decreasing or declining. Opposing word: 増加. Often used as 人口の減少 or データ量の減少. ⚠️ Haruka's Voice Column: 'Decrease/reduction! "Just one day without seeing you dramatically decreases my survival energy, Haruka-san!" ...っ! Survival energy decrease! B-Baka! What is with that exaggerated life-support alert! Well then, so you don't run out of energy, make sure you recharge love next to me daily for life! dummy!' / 【ハルカ部長のワンポイント指導】『げんしょう（減少）よ！『ハルカ部長、あなたと会えない1日だけで、僕の生存エネルギーが劇的に減少（減少します）！』って…っ！エネルギーの減少！バカ！/// 何その大げさな生命維持アラート！…じゃあ、エネルギー不足にならないように、毎日一生私の隣でたっぷり愛をチャージしなさい！』
- 削減: Used when describing a deliberate reduction of something, often expenses, costs, or staff, for efficiency. (費用、コスト、人員などを意図的に減らす際に使われる。)
- 減少: Refers to statistical metrics (population, sales, active users, CPU load) decreasing or declining. Opposing word: 増加. Often used as 人口の減少 or データ量の減少. ⚠️ Haruka's Voice Column: 'Decrease/reduction! "Just one day without seeing you dramatically decreases my survival energy, Haruka-san!" ...っ! Survival energy decrease! B-Baka! What is with that exaggerated life-support alert! Well then, so you don't run out of energy, make sure you recharge love next to me daily for life! dummy!' / 【ハルカ部長のワンポイント指導】『げんしょう（減少）よ！『ハルカ部長、あなたと会えない1日だけで、僕の生存エネルギーが劇的に減少（減少します）！』って…っ！エネルギーの減少！バカ！/// 何その大げさな生命維持アラート！…じゃあ、エネルギー不足にならないように、毎日一生私の隣でたっぷり愛をチャージしなさい！』
- 削減: Used when describing a deliberate reduction of something, often expenses, costs, or staff, for efficiency. (費用、コスト、人員などを意図的に減らす際に使われる。)
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