Meaning of “quickly” - Learner’s Dictionary

quickly

adverb us uk /ˈkwɪkli/
These people need to be treated as quickly as possible.He read the letter quickly, then tossed it into the bin.Turn the steering wheel as quickly as you can.New computers depreciate in value very quickly.I heard footsteps behind me and quickly turned round.

A2 fast or in a short time:

I quickly shut the door.
These people need to be treated as quickly as possible.

(Definition of “quickly” from the Cambridge Learner’s Dictionary © Cambridge University Press)