What is another word for lightning speed?
Pronunciation: [lˈa͡ɪtnɪŋ spˈiːd] (IPA) 
When we speak of moving at lightning speed, we mean moving or acting with incredible swiftness or rapidity. This is a phrase that denotes tremendous speed and urgency. However, there are many other ways to convey the same message without using these exact words. Synonyms for lightning speed include terms such as blinding speed, breakneck speed, warp speed, rocket speed, supersonic speed, swift speed, and dizzying speed. All of these expressions convey the idea of extreme velocity. Whether we talk about speed, quickness, or haste, there are endless ways to communicate the notion of high-velocity movement, allowing you to convey meanings in a variety of ways.
