If the cost of something is ~, it is so high that many people cannot afford it. (FORMAL)
The cost of private treatment can be ~.
ADJ
~ly
Meat and butter were ~ly expensive.
ADV: ADV adj
If the cost of something is ~, it is so high that many people cannot afford it. (FORMAL)
The cost of private treatment can be ~.
ADJ
~ly
Meat and butter were ~ly expensive.
ADV: ADV adj
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012