Like the Formula Rossa roller coaster (4)
I believe the answer is:
fast
(Other definitions for fast that I've seen before include "Lent, perhaps" , "Tight; quick" , "Speedily - secured" , "eg Ramadan; speedy" , "Quick - don't eat" .)
I believe the answer is:
fast
(Other definitions for fast that I've seen before include "Lent, perhaps" , "Tight; quick" , "Speedily - secured" , "eg Ramadan; speedy" , "Quick - don't eat" .)