Impromptu Synonyms and Antonyms

ĭm-prŏmpto͝o, -tyo͝o
Something improvised
  1. ad-lib
  2. improvisation
  3. extemporization
  4. autoschediasm
Without advance preparation
Unrehearsed, improvised
  1. improvise

Words Related to Impromptu

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.