superfast
/ˈsupərˌfæst/
adjective
- Extremely fast; much faster than usual.
- She finished the race in superfast time, breaking the school record.
- The new superfast train can travel from New York to Washington in under two hours.
- We need a superfast internet connection to stream 4K video without buffering.
Antonyms
adverb
- In an extremely fast manner.
- He typed superfast to finish the report before the deadline.
- The car zoomed superfast down the highway, leaving everyone behind.
- The cheetah ran superfast across the savanna to catch its prey.