Synonyms to lead-free gas

crude oil, avgas, crude, ethyl, ethyl gas, fossil oil, gas, gasoline, high-octane gas, high-test, kerosene, low-lead gas, motor oil, paraffin, petrol, petroleum, premium gas, regular, rock oil, Doric, abhorrent, abominable, amateurish, arrested, backward, barbaric, barbarous, barnyard, base, beastly, below contempt, beneath contempt, blatant, blinding, blue, blunt, boorish, brazen, brazenfaced, brusque, cacophonous, caddish, cloddish, clodhopping, clumsy, coarse, colorful, contemptible, crass, despicable, detestable, dirty, disgusting, doggerel, dysphemistic, earthy, embryonic, execrable, extravagant, fetid, filthy, flagrant, flaring, flashy, flaunting, forbidding, foul, fulsome, garish, gaudy, glaring, gorgeous, graceless, gross, harsh, hateful, heinous, ignoble, ignorant, ill-bred, immature, improper, impure, in bad taste, in embryo, in ovo, in the rough, inadequate, inconcinnate, inconcinnous, inconsiderate, incorrect, indecent, indecorous, indelicate, ineffective, inelegant, inexpert, infelicitous, inf