quickly

quickly
quick‧ly S1 W1 /ˈkwɪkli/ adverb
1. fast:
    We need to get this finished as quickly as possible.
    Kids grow up so quickly these days.
  REGISTER
    In everyday English, people usually use a verb such as rush, run, or hurry rather than say go quickly:
   ▪ She went quickly to fetch the doctor. ➔ She ran to fetch the doctor.
2. after only a very short time
   SYN  soon:
    I realized fairly quickly that this wasn’t going to be easy.
3. for a short time:
    I’ll just quickly nip into that shop.
    ‘Have you talked to Vera about it yet?’ ‘Just quickly.’
     

THESAURUS

   ▪ quickly at a high speed or without taking much time: The stream was flowing quite quickly. | They quickly became friends.
   ▪ fast at a high speed – used especially when talking about how something moves: You're driving too fast! | He ran home as fast as he could.
   ▪ quick spoken quickly – used in exclamations or in comparatives: Quick! There’s a mouse!
   ▪ swiftly written quickly: The government acted swiftly. | She was surprised that he agreed so swiftly.
   ▪ rapidly quickly – used especially about changes, increases, improvements etc: The population is growing rapidly. | a rapidly changing world
   ▪ speedily quickly and therefore efficiently: All problems were speedily dealt with.
   ▪ briskly quickly and energetically: He walked briskly back along the path.
   ▪ at high/great speed at a very fast speed – used especially in technical descriptions: The molecules are travelling at great speed.
   ▪ at a rapid rate especially written quickly – used about changes, increases, improvements etc: Internet shopping is growing at a rapid rate.
   ▪ as quick as a flash/in a flash extremely quickly: As quick as a flash, I was back in my bed and under the covers.
   ▪ like lightning moving extremely quickly: Like lightning, the cat darted under the bushes.
   ▪ flat out especially British English at the fastest speed possible: The car was going flat out. | He was running flat out.