adjective🔗Share防水の, 水密のSo tightly made that water cannot enter or escape."The new lunchbox is watertight, so my sandwich won't get soggy if it rains. "新しいランチボックスは防水なので、雨が降ってもサンドイッチがふやけることはありません。nauticaltechnicalbuildingconditionChat with AIVocabulary GamePractice Reading
adjective🔗Share完全な, 確実なSo devised or planned as to be impossible to defeat, evade or nullify."a watertight contract; a watertight regulation"完全な契約；確実な規制plansystemtechnicalbusinesslawpoliticsChat with AIVocabulary GamePractice Reading
