Promptly Synonyms and Antonyms

Rapidly
(Adjective)
Immediately
(Adverb)
Antonyms:
  1. late
  2. negligently
At once (usually modifies an undesirable occurrence)
(Adverb)
Synonyms:
  1. right away

Words Related to Promptly

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.