3 Answers. Quicker is the comparative of quick, which is an adjective; more quickly is the comparative of quickly, which is an adverb. Informally, quick is also used as adverb, with the meaning of "at a fast rate, quickly." These are the examples reported by the NOAD (third edition).
Is it grammatically correct to say quicker?
"Quicker" and "more quickly" are both acceptable comparative forms of the adverb "quickly." However, as some of your grammar-savvy readers might think "quicker" is an error or too informal, you should opt for "more quickly" (unless your writing would really benefit from the flow of text offered by "quicker").
How do you use quicker in a sentence?
more quickly.
- Air mail is quicker than sea mail.
- It is arguable which way is quicker.
- Taxis are quicker than buses.
- Which way is quicker by bus or by train?
- There's no denying that quicker action could have saved them.
- We'll get there quicker if we cut across the fields.
- It's quicker by train.
