English · Adjectives
fast
/fɑːst/
[/fɑːst/]
moving quickly
Beginneradjective
Definition
Moving or able to move at high speed.
Example
The new train is incredibly fast and reaches the capital in under two hours.
The new train is incredibly fast and reaches the capital in under two hours.
Etymology
From Old English 'fæst' (firm); the 'quick' sense developed in Middle English.
How & Where It’s Used
Both adjective and adverb; opposite of 'slow'.