Something that is ~ will not allow fluid to pass through it. (FORMAL)
The canoe is made from an ~ wood.
= waterproof
ADJ
Something that is ~ will not allow fluid to pass through it. (FORMAL)
The canoe is made from an ~ wood.
= waterproof
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012