transcription, транскрипция: [ ʌnəbzɜ:(r)vd ]
If you do something unobserved , you do it without being seen by other people.
Looking round to make sure he was unobserved, he slipped through the door...
John had been sitting, unobserved, in the darkness.
= unseen
ADJ : v-link ADJ , ADJ after v , ADJ n