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Definition of superunleaded

superunleaded

/ˌsuː.pɚ.ʌnˈlɛd.ɪd/
su · per · un · lead · ed
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superunleaded Lexical Profile

superunleaded Game Scores & Validity

• adjective

1

Designating or relating to a high-octane, premium grade of motor gasoline or petrol that contains no tetraethyl lead.

Example

"High-compression sports car engines often require superunleaded fuel to prevent premature ignition and engine knocking."

Synonyms
View all synonyms for superunleaded
Antonyms
View all antonyms for superunleaded

• noun

1

A high-octane, premium grade of motor gasoline or petrol manufactured without lead additives.

Example

"She filled the tank with superunleaded before setting off on the long highway drive."

• Rhymes for superunleaded

• Nearby Words

superthin
superthriller
supertight
superunleaded
supervillain
supervise
supervisee

Cite this Entry

Wordmom. (2026). Definition of Superunleaded. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/superunleaded
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