Someone who is ~ spends too much money or uses too much of something. (FORMAL)
...the most ~ consumer of energy in the world.
= wasteful
ADJ
Someone who is ~ spends too much money or uses too much of something. (FORMAL)
...the most ~ consumer of energy in the world.
= wasteful
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012