fasttest
adjectiveUK /ˈfɑːsttɛst/
US /ˈfæsttɛst/
The fastest means the quickest of all.
She is the fasttest runner in our class.
OTHER MEANINGS
2. Moving or happening with the greatest speed.
That was the fasttest train we have ever ridden.
3. Done in the shortest amount of time.
He gave the fasttest answer of anyone in the game.
4. Working or reacting more quickly than all others.
This computer is the fasttest one in the lab.