fastspeed
nounUK /ˈfɑːstspiːd/
US /ˈfæstspiːd/
Fastspeed means going very, very quickly.
The race car went at fastspeed down the track.
OTHER MEANINGS
2. A very high rate of movement or action.
The train travels at fastspeed between the two cities.
3. A setting on a machine that makes it work very quickly.
She set the fan to fastspeed to cool the room.
4. The quality of being done in a short amount of time.
He finished his homework at fastspeed so he could play.