the devil
"After years of waiting, he finally drove a sleek red Diablo off the showroom floor."
A sports car made by the Italian manufacturer Lamborghini.
In plain English: Diablo is Spanish for devil, often used to describe something extremely bad or scary.
"His temper is so bad that everyone calls him diablo when he gets angry."
diable, flavoured with hot spices
"The chef prepared a spicy diablo sauce to flavor the grilled chicken."
In plain English: Diablo is an adjective used to describe something that is extremely bad, terrible, or awful.
"The diablo expression on his face showed he was furious."
A census-designated place in Contra Costa County, California, United States.
"Residents of Diablo often commute to nearby cities like Walnut Creek and Richmond for work."
The word diablo was borrowed directly from the Spanish language, where it originally meant "devil." It entered English as a doublet alongside related terms like diable and devil.