Action that is ~ uses too much of something valuable such as time, money, or energy.
This kind of training is ineffective, and ~ of scarce resources...
Try to avoid ~ duplication of effort.
ADJ
Action that is ~ uses too much of something valuable such as time, money, or energy.
This kind of training is ineffective, and ~ of scarce resources...
Try to avoid ~ duplication of effort.
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012