Fastandquickmeanmoving with great speed.Fastis both an adjective and an adverb.Quickis an adjective andthe adverb form isquickly.
| Fastandquickare adjectives. |
| Fastandquicklyare adverbs. |
We usually usequickto refer to something happening in a short time, or a shorter than expected time:
We stopped for aquicksnack.
Not: …a fast snack.
I just need aquickanswer.
Not: …a fast answer.
Fastrefers to things that happen or go at high speed, e.g. a train, a person running:
She lovesfastcars.
Not:She loves quick cars.
Note the common expressionfast foodto refer to food such as hamburgers, which are cooked and served in a very short time in restaurants:
You shouldn’t eat so muchfast food. It’s not good for you.
See also:
Comparative and superlative adjectives
Adverbs: comparative and superlative forms