adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Not prepared beforehand; unpremeditated; extemporaneous. not-comparable, obsolete

   "a. 1784, Samuel Johnson, "Improviso Translation of the following lines of M. Benserade A Son Lit""

Synonyms

All synonyms

ad libcasualextemporaneousextemporaneousimpromptuimpromptu

Example

More examples

"a. 1784, Samuel Johnson, "Improviso Translation of the following lines of M. Benserade A Son Lit""

Etymology

From Latin improvisus (“unforeseen”); compare Italian improvviso.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.