quickest
adjectiveUK /ˈkwɪkɪst/
US /ˈkwɪkɪst/
The fastest or most speedy of all.
She took the quickest way home.
OTHER MEANINGS
2. Superlative form of quick, meaning done in the shortest time.
That was the quickest game I have ever played.
3. Most eager or ready to act.
He was the quickest to raise his hand.
4. Most mentally alert or sharp.
She is the quickest thinker in the class.