Antonyms of noun unleaded_gasoline

1 sense of unleaded gasoline

Sense 1
unleaded gasoline, unleaded petrol -- (gasoline that has not been treated with a lead compound)
       Antonym of leaded gasoline (Sense 1)
      => leaded gasoline, leaded petrol -- (gasoline treated with a lead compound to reduce motor knocks; "combustion of leaded gasoline released lead into the air where it could cause lead poisoning")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun unleaded_gasoline

1 sense of unleaded gasoline

Sense 1
unleaded gasoline, unleaded petrol -- (gasoline that has not been treated with a lead compound)
       => gasoline, gasolene, gas, petrol -- (a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines)