spark plugnoun [ C ]
uk/ˈspɑːk ˌplʌɡ/us/ˈspɑːrk ˌplʌɡ/spark plug noun [ C ] (ENGINE)
a device in an engine that produces an electrical spark that lights the fuel and makes the engine start
Thesaurus: synonyms and related words
The engine & engine parts
- abs
- battery
- carburettor
- cutout
- flywheel
- idle
- ignition
- motorized
- pickup
- piston
- plug
- power steering
- radiator
- rev
- silencer
- sump
- tailpipe
- tappet
- transmission
- universal joint
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You can also find related words, phrases, and synonyms in the topics:
Electrical switches & connections
spark plug noun [ C ] (PERSON)
US a person who gives energy to an activity involving others:
She's the spark plug of the team.
Thesaurus: synonyms and related words
Energetic and lively
- a spring in your step idiom
- alive
- barnstorming
- be alive and well/kicking idiom
- be as fresh as a daisy idiom
- bounce
- frisky
- frolicsome
- fury
- go-getter
- high-spirited
- indefatigable
- lively
- playful
- refreshing
- sprightly
- spry
- supercharged
- tear into sth
- throw yourself into sth
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