improvisation

noun

im·​pro·​vi·​sa·​tion (ˌ)im-ˌprä-və-ˈzā-shən 

ˌim-prə-və-,

 also  ˌim-prə-(ˌ)vī-

1

: the act or art of improvising

2

: something (such as a musical or dramatic composition) improvised

improvisational

(ˌ)im-ˌprä-və-ˈzā-sh(ə-)nəl 

ˌim-prə-və-

 also  ˌim-prə-(ˌ)vī-

adjective

improvisationally adverb

Synonyms

• ad-lib
• extemporization
• impromptu
• improv

Examples of improvisation in a Sentence

that comedy skit was a totally unrehearsed improvisation

Recent Examples on the Web

The concept of improvisation was never foreign to me. —Steve Rothaus, Miami Herald, 21 Apr. 2025

Last year, for example, Moore performed a free improvisation set with former Led Zeppelin bass player John Paul Jones at the Big Ears Festival in Knoxville, Tenn., and later in London (joined by drummer Steve Noble at one gig). —Glenn Peoples, Billboard, 17 Apr. 2025

Filming often involved improvisation, with Ahn encouraging his actors to experiment with the scenes. —Abigail Lee, Variety, 16 Apr. 2025

Gary Bartz at Yoshi’s: With a career spanning over six decades, Bartz’s masterful approach to the alto saxophone and his concept of informal composition have redefined the boundaries of jazz improvisation. —Jake Richardson, Mercury News, 14 Apr. 2025

Word History

First Known Use

1777, in the meaning defined at sense 1

Rhymes for improvisation

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

Kids Definition

improvisation

noun

im·​pro·​vi·​sa·​tion (ˌ)im-ˌpräv-ə-ˈzā-shən 

ˌim-prə-və-

1

: the act or art of improvising

2

: something that is improvised

improvisational

-shnəl 

-shən-ᵊl

adjective