Antiknock and Leadless

Opposite meaning words

Antiknock adjective - Suppressing or eliminating engine knock in combustion engines.

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Leadless is an antonym for antiknock.

Leadless adjective - Not treated with lead.

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Antiknock is an antonym for leadless.

Cite this Source

Leadless and Antiknock. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/antiknock/leadless

Antiknock & Leadless. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/antiknock/leadless>.

Leadless or Antiknock. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/antiknock/leadless.

Google Ngram Viewer shows how "antiknock" and "leadless" have occurred on timeline