Quickest Synonyms and Antonyms

Performed with little or no delay
(Adjective)
Moving quickly and lightly
(Adjective)
Almost immediate
(Adjective)
Synonyms:
  1. promptest
Hurried and brief
(Adjective)
Antonyms:
  1. slowest
  2. laziest
Done or occurring immediately:
(Adjective)
Synonyms:
  1. fastest
Most quickly
(Adverb)
Synonyms:
  1. fastest