1. Not fastened with a bolt; released by withdrawal of a bolt.
c. 1580. Bugbears, I. ii. 132. A window which I left unbolted.
1711. Mrs. Centlivre, Marplot, I. Let me see, is my trap-door unbolted?
1779. Johnson, L. P., Milton (1868), 45. To sleep with doors unbolted.
1874. Swinburne, Bothwell, II. xviii. The strait garden-plot … Whereto the door that opens from beneath Shall stand unbolted.
1891. C. Roberts, Adrift Amer., 57. Most are content to hunt for an unbolted end door.
2. Not fastened together with a bolt or bolts.
1793. Smeaton, Edystone L., § 262. The bolt and shackle … had got its forelock broken or beat out, and then … it could not be long before the shackle became unbolted.
