What is another word for greased lightning?
Pronunciation: [ɡɹˈiːsd lˈa͡ɪtnɪŋ] (IPA) 
Greased lightning is a colloquial phrase that is often used to describe something that moves very quickly. There are many synonyms that can be used in place of this phrase, depending on the context and the level of speed that is being described. Some common options include lightning-fast, super-fast, blazingly quick, and ultra-swift. Other possibilities include supersonic, quick as a flash, rapid-fire, and lightning-quick. Each of these phrases can be used to convey a sense of speed and urgency, whether describing a vehicle, an athlete, or any other moving object that is capable of moving with incredible velocity.
