Find Synonyms

spark plug Synonyms

Another word for spark plug

Choosing another word for spark plug depends on context, so the 11 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
JUMP TO:

• noun (Context 1)

A device fitted into the cylinder head of an internal-combustion engine that ignites the compressed fuel-air mixture by means of an electric spark.

Usage Example

"The mechanic replaced a fouled sparking plug to resolve the engine's persistent misfire."

Strongest
sparking plug
Strong
igniter

• noun (Context 2)

A highly energetic or motivating person who inspires others and drives a group or project forward.

Usage Example

"As the captain of the team, she was the catalyst who kept everyone's spirits high during difficult matches."

Strongest
catalyst
dynamo
live wire
Strong
driving force
motivator
energizer
firebrand
go-getter
prime mover

Opposites of spark plug

The opposite of spark plug shifts depending on context. Common opposites include:

wet blanket
killjoy
deadweight
slacker
See all opposites of spark plug

• Nearby Words

sparing
sparingly
spark
spark plug
sparker
sparkingly
sparkle

Cite this Entry

Wordmom. (2026). Synonyms for Spark plug. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/spark-plug
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.