Found 1 items, similar to Bolt upright.
English → English (gcide) Definition: Bolt upright Bolt \Bolt\, adv. In the manner of a bolt; suddenly; straight; unbendingly. [1913 Webster] [He] came bolt up against the heavy dragoon. --Thackeray. [1913 Webster] Bolt upright. (a) Perfectly upright; perpendicular; straight up; unbendingly erect. --Addison. (b) On the back at full length. [Obs.] --Chaucer. [1913 Webster]