ALL meanings of bolt upright
bolt up·right
B b - phrase bolt upright If someone is sitting or standing bolt upright, they are sitting or standing very straight. 3
- noun bolt upright straight up; erect or erectly 3
- noun bolt upright a movable bar or rod that when slid into a socket fastens a door, gate, etc. 1
- noun bolt upright the part of a lock that is shot from and drawn back into the case, as by the action of the key. 1
- noun bolt upright any of several types of strong fastening rods, pins, or screws, usually threaded to receive a nut. 1
- noun bolt upright a sudden dash, run, flight, or escape. 1
- noun bolt upright a sudden desertion from a meeting, political party, social movement, etc. 1
- noun bolt upright a length of woven goods, especially as it comes on a roll from the loom. 1
- noun bolt upright a roll of wallpaper. 1
- noun bolt upright Bookbinding. the three edges of a folded sheet that must be cut so that the leaves can be opened. 1
- noun bolt upright a rod, bar, or plate that closes the breech of a breechloading rifle, especially a sliding rod or bar that shoves a cartridge into the firing chamber as it closes the breech. 1
- noun bolt upright a jet of water, molten glass, etc. 1
- noun bolt upright an arrow, especially a short, heavy one for a crossbow. 1
- noun bolt upright a shaft of lightning; thunderbolt. 1
- noun bolt upright a length of timber to be cut into smaller pieces. 1
- noun bolt upright a slice from a log, as a short, round piece of wood used for a chopping block. 1
- verb with object bolt upright to fasten with or as with a bolt. 1
- verb with object bolt upright to discontinue support of or participation in; break with: to bolt a political party. 1
- verb with object bolt upright to shoot or discharge (a missile), as from a crossbow or catapult. 1
- verb with object bolt upright to utter hastily; say impulsively; blurt out. 1
- verb with object bolt upright to swallow (one's food or drink) hurriedly: She bolted her breakfast and ran to school. 1
- verb with object bolt upright to make (cloth, wallpaper, etc.) into bolts. 1
- verb with object bolt upright Fox Hunting. (of hounds) to force (a fox) into the open. 1
- verb without object bolt upright to make a sudden, swift dash, run, flight, or escape; spring away suddenly: The rabbit bolted into its burrow. 1
- verb without object bolt upright to break away, as from one's political party. 1
- verb without object bolt upright to eat hurriedly or without chewing. 1
- verb without object bolt upright Horticulture. to produce flowers or seeds prematurely. 1
- adverb bolt upright Archaic. with sudden meeting or collision; suddenly. 1
- idioms bolt upright bolt from the blue, a sudden and entirely unforeseen event: His decision to leave college was a bolt from the blue for his parents. Also, bolt out of the blue. 1
- idioms bolt upright bolt upright, stiffly upright; rigidly straight: The explosive sound caused him to sit bolt upright in his chair. 1
- idioms bolt upright shoot one's bolt, Informal. to make an exhaustive effort or expenditure: The lawyer shot his bolt the first day of the trial and had little to say thereafter. 1