いりょく 威力 Common word JLPT N1 LinksSentence search for 威力Sentence search for いりょくSentence search for 偉力Kanji details for 威 and 力Edit in JMdict Noun1. power; might; authority; influenceOther forms偉力 【いりょく】 Jreibun 猛威をふ振るう新しい感染症に対して威力を発揮するくすり薬が開発された。A drug has been developed that works powerfully against a raging new infectious disease. Discussions Log in to talk about this word.