If you do something ~, you do it without being seen by other people.
Looking round to make sure he was ~, he slipped through the door...
John had been sitting, ~, in the darkness.
= unseen
ADJ: v-link ADJ, ADJ after v, ADJ n
If you do something ~, you do it without being seen by other people.
Looking round to make sure he was ~, he slipped through the door...
John had been sitting, ~, in the darkness.
= unseen
ADJ: v-link ADJ, ADJ after v, ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012