verb🔗Share無効にする, 無効化するTo make invalid. Especially applied to contract law."The new evidence invalidated the contract for the house, meaning the buyer no longer had to buy it. "新しい証拠により家の契約は無効になり、買い手はもはやそれを購入する必要がなくなりました。lawbusinessChat with AIVocabulary GamePractice Reading