パワフルpawafuru

1. na-adjective, nounpowerful

• Synonym強力きょうりょくNeutralFor strong effects or actions, as in 「強力な薬」「強力な支援」. 「パワフル」 instead describes people, voices and machines brimming with energy.
• Synonym強いつよいNeutralThe all-purpose word for strong: strength, ability, willpower, degree. 「パワフル」 only paints someone or something as full of power and drive.
• Synonym力強いちからづよいNeutralLooks strong, and can also be reassuring or encouraging, as in 「力強い言葉」. Close to 「パワフル」 but adds a sense of reliability.
• Synonym強大きょうだいWrittenWritten/formal: nations, powers and organizations that are vast as well as strong, as in 「強大な国家」. 「パワフル」 is about the vigor of people, voices and machines.
• Related強烈きょうれつNeutralIntensity of stimulation or impact, as in 「強烈な印象」「強烈な日差し」. 「パワフル」 is about having power and vitality instead.
• Related激しいはげしいNeutralFierce momentum or extreme degree, as in 「激しい雨」「激しい競争」; often negative. 「パワフル」 is positive, energetic strength.
• Related屈強くっきょうWrittenWritten/formal: sturdy, muscular bodies, typically men's, as in 「屈強な男」. 「パワフル」 also covers voices, machines and performances.
• RelatedきついCasualColloquial: tight, tough or harsh, as in 「仕事がきつい」「きつい言い方」; usually a burden. It only overlaps with 「パワフル」 in the forceful sense.
• Related精強せいきょうWrittenWritten/formal and rare: elite strength of armies or units. In everyday speech say 「強い」. 「パワフル」 carries no elite nuance.
• Antonym弱々しいよわよわしいNeutralAntonym: looking weak and feeble, as in 「弱々しい声」. The direct opposite of 「パワフル」's fullness of power.
• Antonym非力なNeutralAntonym: lacking strength or ability, as in 「非力な腕」「非力なエンジン」. Opposes 「パワフル」 in sheer amount of power.

Use 「パワフル」 for people, voices and machines brimming with energy and drive. For strong effects such as medicine or support, choose 「強力」; for the general sense of strong, 「強い」; for a reassuring, encouraging tone, 「力強い」. The opposite is 「弱々しい」.

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

1. 強力きょうりょくなさま。力強ちからづよいさま。