Word.ws English Dictionary

low-octane

low-octane adjective: having a low octane number.

Adjective

low-octane (comparative lower-octane, superlative lowest-octane)

  1. Having a low octane number.
    • Low-octane fuel can be a cause of preignition and detonation. If combustion begins before the spark, for example, combustion pressures may try to push the piston backwards at the end of the compression stroke.2004, Elisabeth H. Dorries, TechOne: Automotive Engine Repair, Cengage Learning, →ISBN, page 58
    Antonyms:
    high-octane
  2. (broadly) Slow; weak.
    • A low-octane French attempt to channel the spirit of Play It Again Sam. Alice Taglioni is a single thirtysomething holding out for Mr Right, while looking to a Woody Allen poster for advice.2013 July 4, Andrew Pulver, “Paris-Manhattan – review”, in The Guardian
    Antonyms:
    high-octane

Antonyms of low-octane

Forms of low-octane

comparativelower-octane
superlativelowest-octane

Questions about low-octane

What does low-octane mean?
Low-octane means having a low octane number.
What part of speech is low-octane?
Low-octane is an adjective.

Words near low-octane in the dictionary

  1. low-melting
  2. low-minded
  3. low-mindedly
  4. low-mindedness
  5. low-noise block downconverter
  6. low-octane
  7. low-paid
  8. low-pass
  9. low-passes
  10. low-paying
  11. low-performance

Source and license

Adapted from Wiktionary: low-octane (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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