Word
bolts
US/ˈboʊɫts/
UK/bˈəʊlts/
Definitions
01metal fasteners
B1 · Intermediate Countable noun
n. metal pins used with a nut to fasten things together.
n. threaded metal pins or rods, typically used in conjunction with a nut to secure two or more components together.
“He tightened the bolts on the car wheel to make sure it was safe.”
“The structural integrity of the bridge depends on thousands of high-tensile bolts that must be inspected for corrosion every five years.”
02lightning
B2 · Upper Intermediate Countable noun
n. flashes of lightning that look like bright lines in the sky.
n. sudden discharges of lightning, often appearing as jagged lines of light during a storm.
“Several bolts of lightning lit up the dark sky during the storm.”
“The hikers sought shelter as massive bolts of lightning began to strike the exposed ridge with terrifying frequency.”
03runs away suddenly
B2 · Upper Intermediate
v. when someone or an animal suddenly runs away because they are scared.
v. the action of a person or animal suddenly and unexpectedly running away, often due to alarm or fright.
“The horse often bolts if it hears a loud noise like a car horn.”
“The stray dog usually bolts at the slightest sound of approaching footsteps, making it difficult for the rescue team to get close.”
04eats quickly
C1 · Advanced Informal
v. to eat food very quickly without chewing it much.
v. to swallow food hurriedly or without proper mastication.
“He always bolts his breakfast because he is late for the bus.”
“The teenager habitually bolts his dinner in under five minutes so he can return to his video games as quickly as possible.”
Antonyms
05rolls of fabric
C2 · Proficiency Countable noun Technical
n. large rolls of cloth or fabric.
n. large rolls of woven fabric of a specific length, typically as stored or sold in a shop.
“The tailor kept several bolts of silk in the back of the shop.”
“The textile warehouse was filled with hundreds of bolts of heavy denim, stacked floor to ceiling and ready for shipment to the garment factory.”
Idioms
01. bucket of bolts
02. nuts and bolts
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
- Frequency
- Frequent
- Level
- B1 · Intermediate
- Updated
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