Synonyms for petrol Found 3 synonyms across 1 meaning for “petrol”. a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum (noun) gasolinegasolenegas Explore Related Words Rhymes with petrolSynonyms for gasolineSynonyms for gasoleneSynonyms for gas Synonym Finder | Rhyme Finder | Poetry Editor