活力|かつりょくkatsuryoku[2]nakadaka (mid-high)

1. nounvitality; energy; dynamism
   奴隷どれいたちは宗教しゅうきょうに活力かつりょくを見みいだす。↗

   Slaves find power in religion.

• SynonymバイタリティNeutralLoanword for exuberant vitality and drive, as in 「バイタリティあふれる人」; mostly describes people, while 「活力」 also fits the economy and society.
• Synonym元気げんきNeutralGood spirits and health, as in 「元気な子」; the most common everyday word. 「活力」 is more written and centers on the power that drives activity.
• Synonym気力きりょくNeutralThe willpower to see things through, as in 「気力が尽きる」; it stresses the mental side.
• Synonym活気かっきNeutralThe liveliness of a scene or crowd, as in 「活気のある町」; it is about atmosphere.
• Synonym精力せいりょくNeutralPhysical energy and stamina, as in 「精力的に働く」; can also mean sexual potency.
• Synonym生気せいきWrittenWritten word for life and healthy color, as in 「生気のない顔」; stresses the vitality one shows outwardly.
• SynonymエネルギーNeutralLoanword for energy — physical power, energy sources or personal drive, as in 「エネルギーを使う」.
• Synonym精せいNeutralEnergy and vigor, used mainly in set phrases like 「精を出す」 and 「精が出る」.
• Synonym気勢きせいWrittenWritten word for momentum and morale, as in 「気勢を上げる」; often used of rallies.
• Synonym生命力せいめいりょくNeutralThe power to stay alive, as in 「生命力の強い植物」; mostly said of living things.
• Synonym馬力ばりきCasualOriginally a unit of horsepower, figuratively drive and stamina, as in 「馬力がある」; colloquial, while 「活力」 is more written.
• Synonym英気えいきWrittenWritten word used mostly in 「英気を養う」, to store up energy for what lies ahead.
• Synonym力ちからNeutralStrength and ability in the broadest range, as in 「力を合わせる」.
• SynonymエナジーNeutralLoanword that is simply 「エネルギー」 read as in English; mostly seen in product names.
• Synonym血気けっきWrittenWritten word for youthful ardor, as in 「血気盛んな若者」; carries a hint of impetuousness.
• Synonym活動力かつどうりょくNeutralCapacity for activity or get-up-and-go; mostly in expository writing, rare in everyday speech.
• Synonym精気せいきWrittenWritten word for vital essence or life energy, as in 「精気を吸い取る」; has a mystical tinge.
• Synonym精根せいこんWrittenWritten word used mostly in 「精根尽きる」, when energy and perseverance are spent.
• Related気迫きはくWrittenWritten word for a commanding, forceful spirit, as in 「気迫のこもった演技」.
• Related意気いきNeutralSpirit and fighting zeal; mostly appears in compounds such as 「意気込み」 and 「意気投合」.
• Related意気込みいきごみNeutralDrive and resolve aimed at a particular undertaking, as in 「意気込みを語る」.
• Antonym無気力むきりょくNeutralAntonym: listlessness, lacking any drive — the direct opposite of 「活力」.
• Antonym倦怠けんたいWrittenWritten antonym: weariness or ennui, as in 「倦怠感」.

「活力」 is the power that drives activity — of society, the economy or a person, as in 「経済に活力を与える」; it leans written. Use 「元気」 for a person's spirits and health, 「活気」 for the buzz of a place or crowd, 「気力」 for willpower, 「バイタリティ」 for personal drive. 「エネルギー」 covers energy and power sources, 「精力」 physical stamina, 「生命力」 the strength to stay alive, 「力」 strength in the broadest sense. 「意気込み」 is enthusiasm for a task; 「馬力」 is a colloquial get-up-and-go. Opposite: 「無気力」.

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

1. 活動かつどうのもとになる力ちから。