fast
Translation
fast, quick, rapid
Examples
He drives a fast car.
He drives a fast car.
She can run very fast.
She can run very fast.
Grammar Patterns
((a fast noun)) a fast (sth.) (adjective) This is a very fast train.
((verb fast)) to (verb) fast (adverb) Don't talk so fast.
Similar Words
Synonyms: quick, rapid, swift; Antonyms: slow
Etymology
From Old English 'fæst' meaning 'firm, fixed'. The meaning shifted to 'strong' and then to 'quick'.
Memory Tips
'Fast' is both an adjective (a fast car) and an adverb (run fast). 'Fastly' is not a word.