English · Adjectives
fastest
/ˈfɑːstɪst/
[/ˈfɑːstɪst/]
superlative of fast
Beginneradjective
Definition
Superlative form of 'fast'. Used to say something is the most fast of all.
Example
He is the fastest runner in the class.
He is the fastest runner in the class.
Etymology
From 'fast' plus the superlative suffix '-est'.
How & Where It’s Used
Used with 'the' to mark the highest degree in a group.