adjective🔗Share気密性の, 密閉されたImpermeable to air or other gases."The container was airtight, so the food stayed fresh for a week. "容器は気密性が高く、食べ物は一週間新鮮なままでした。materialphysicstechnicalChat with AIVocabulary GamePractice Reading
adjective🔗Share気密性の, 隙のないHaving no weak points or flaws."We have an airtight argument they won’t be able to punch holes in."私たちは彼らが穴を開けることのできない、隙のない議論をしています。qualitybusinesstechnicalChat with AIVocabulary GamePractice Reading
adjective🔗Share口が堅い, 秘密主義の(of a person) Highly reserved in some matter, particularly tight-lipped or tight-fisted."My aunt was airtight about her plans for the family reunion; she wouldn't share a single detail. "叔母は家族の再会に関する計画について口が堅く、詳細を一切明かそうとしなかった。characterattitudepersonChat with AIVocabulary GamePractice Reading
