a type of screw with a flat or rounded head and a threaded shank, designed to be used with a nut as a fastener, a sudden movement away from a place or situation

bolt from the blue, bolt upright, shoot one's bolt

Formal and Informal Expressions of bolts

In different contexts, you can replace 'bolts' with suitable alternatives. In a more formal setting, 'fastener' is apt. In informal speech or writing, 'screw, thing' is a commonplace synonym.

bolts: Explore its Definition & Usage

bolts Definition

1a type of screw with a flat or rounded head and a threaded shank, designed to be used with a nut as a fastener
2a sudden movement away from a place or situation

Using bolts: Examples

Take a moment to familiarize yourself with how "bolts" can be used in various situations through the following examples!

Example
I need to buy some bolts to fix the shelf.
Example
The horse suddenly bolted and ran away.
Example
The dog bolted out of the room when it heard the doorbell.
Example
He bolted his food without even chewing it.
Example
She bolted the door shut to keep the intruder out.

bolts Synonyms and Antonyms

Synonyms for bolts

Phrases with bolts

bolt from the blue
a sudden and unexpected event that shocks or surprises someone
Example
The news of his death came like a bolt from the blue.
bolt upright
in a completely vertical position
Example
She sat bolt upright in bed, startled by the loud noise.
shoot one's bolt
to exhaust one's resources or capabilities
Example
He had already shot his bolt on the first day of the competition, so he didn't do well on the following days.

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Summary: bolts in Brief

The term 'bolts' [bohlts] refers to a type of screw with a flat or rounded head and a threaded shank, used as a fastener. It also denotes a sudden movement away from a place or situation, as in 'The horse suddenly bolted and ran away.' The phrase 'bolt from the blue' describes a sudden and unexpected event that shocks or surprises someone.