Как по Английски будет отвинченный

adjective

(of a door or window) not bolted.

Примеры использования:

And the unbolted window had been discovered, for the screws had been replaced properly!

verb

Open (a door or window) by drawing back a bolt.

Примеры использования:

He ran down the stairs and unbolted the heavy wooden door

verb

(with reference to a lid or other object held in place by a spiral thread) unfasten or be unfastened by twisting.

Примеры использования:

Will unscrewed the cap from a metal flask