活用|かつようkatsuyou[0]heiban (flat)

1. noun, suru verb, transitive verbpractical use; application; making good use of; putting to good use; capitalizing on
   政治家せいじかとして、彼かれは、演技えんぎのうまさを目一杯めいっぱい活用かつようしている。↗

   As a politician, he makes utmost use of his acting ability.
2. noun, suru verb, intransitive verb, grammarconjugation; inflection
   英語えいごを学習がくしゅうする上うえで不可欠ふかけつな、不規則ふきそく動詞どうしの活用かつよう。↗

   Conjugation of irregular verbs - essential for those learning English.

• Synonym使用しようNeutralA neutral, objective word for using something, applicable to all sorts of objects; 「活用」 stresses bringing its full effect into play.
• Synonym利用りようNeutralUsing something for one's own benefit, taking advantage of its convenience; 「活用」 instead stresses getting the most out of the thing itself.
• Synonym運用うんようNeutralPutting funds, systems or institutions into operation, as in 「資金運用」; the focus is on running and managing them, while 「活用」 is about using them well.
• Synonym役立てるやくだてるNeutralPutting something to use, as in 「経験を役立てる」; close in sense to 「活用する」 but more native-Japanese in flavor.
• Synonym応用おうようNeutralApplying theory or learned knowledge to real situations, as in 「応用問題」; 「活用」 centers on making good use of resources at hand.
• Synonym用いるもちいるWrittenA written-style word, more formal than 「使う」, for using or adopting something; 「活用」 stresses putting it to effective use.
• Synonym利かすきかすNeutralBringing out an effect, as in 「機転を利かす」 or 「塩を利かす」; used for wit and resourcefulness, or for seasoning.
• Synonym使うつかうNeutralThe most common everyday verb for using anything; 「活用」 adds the nuance of using something well and to the full.
• Related適用てきようNeutralApplying a rule or law to a specific case, as in 「保険の適用」; 「活用」 is not limited to rules and laws.
• Related充てるあてるNeutralSetting something aside for a purpose, as in 「時間を勉強に充てる」; the emphasis is on allocating it, while 「活用」 stresses using it fully.
• Related当てはめるあてはめるNeutralFitting a rule or formula onto a concrete case, with the focus on whether it matches; 「活用」 is about making full, good use of systems or knowledge.
• Related働かせるはたらかせるNeutralMaking someone work, or exerting a faculty such as imagination, as in 「頭を働かせる」; 「活用」 is mostly said of resources.
• Related働かすはたらかすNeutralA variant form of 「働かせる」 with the same sense: making people work, or setting machines or the mind in motion.
• Antonym放置ほうちNeutralLeaving something as it is, unattended; contrasts with the active use that 「活用」 describes.
• Antonym死蔵しぞうWrittenA written-style word for hoarding or storing things away unused — the opposite of putting them to full 「活用」.

Use 「活用」 for bringing a person's or thing's abilities into full play. For everyday use say 「使う」 or 「使用」; for using something to your own advantage, 「利用」; for applying theory in practice, 「応用」; for operating funds or systems, 「運用」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 人ひとや物ものが持もつ能力のうりょくや機能きのう、あるいは制度せいどや規則きそくなどを十分じゅうぶんに活いかし、用もちいること。
2. 動詞どうしなどが文中ぶんちゅうにおいて、相そう・態たい・時制じせい・人称にんしょう・数等すうとうや接辞せつじに応おうじて語形ごけいを変化へんかさせること。また、その変化へんかの仕方しかた。
3. 〔人ひとや物ものの〕能力のうりょくや機能きのうを十分じゅうぶんに活いかし、用もちいる。
4. （動詞どうしなどの言葉ことばが）文中ぶんちゅうにおいて、相そう・態たい・時制じせい・人称にんしょう・数等すうとうや接辞せつじに応おうじて語形ごけいを変化へんかさせる。