Synonyms for More improvise:

• adj.

  •ad-lib (adjective)
  • extempore,
  • extemporize,
  • as one wishes,
  • improvise,
  • spontaneous,
  • unprepared,
  • improvised,
  • impromptu,
  • at will,
  • according to pleasure,
  • Extemporized,
  • unrehearsed,
  • ad libitum,
  • made-up,
  • as one thinks best,
  • without restraint,
  • off-the-cuff,
  • extemporaneous.

Antonyms for More improvise:

• adj.

  • ad-lib
    prepared, written, Rehearsed, deliberate, planned.