bolt
- adverb
- /boʊlt/
- During the performance, the dancer stood bolt upright, showcasing her perfect posture.
Examples
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And and Leonard was just sat bolt upright dressed as Spock, full spot regalia.
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And and Leonard was just sat bolt upright dressed as Spock, full Spock regalia.
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The other young girl is wearing Victorian clothing reminiscent of Alice and stands bolt upright in her ripped clothing.
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She sat bolt upright in bed when she heard the loud noise in the hallway.
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After the shocking news, he remained bolt upright in his chair, unable to move.
Synonyms
Idioms
Compounds
A strong tool with long handles and heavy jaws for cutting metal, like locks or chains
A sudden bright flash in the sky during a storm that often comes before thunder
- Specialized
A metal rod with a round head and partial threads used to join wood through a hole
Two metal pieces, a bolt and a matching nut, that hold parts together by screwing
- US
A heavy screw with a large head that joins wood pieces when you turn it with a wrench
- Specialized
A metal screw with a spring part that opens inside a hollow wall to hold heavy items
- Jargon
An extra feature you add to a product or system to make it work better
- Specialized
A metal part that spreads inside a hole to hold heavy things to concrete or brick
- Specialized
A metal rod with a square or six-sided head and threads that you turn with a wrench
- Specialized
A small metal piece with a round or flat head that holds metal parts together
How Upright
Surface Forms
Etymology
The adverb bolt in 'bolt upright' comes from the idea of an arrow: straight and stiff. So being 'bolt upright' means sitting or standing very straight and still.