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 of improvisation

• impromptu
• improv

Examples of improvisation in a Sentence

that comedy skit was a totally unrehearsed improvisation

Recent Examples on the Web

The wiser course now is not another round of constitutional improvisation. — Andy J. Semotiuk, Forbes.com, 15 Aug. 2026

Arango is a guitarist and bassist from Cuba with deep musical roots in Afro-Cuban polyrhythms and improvisation. — Ramona Sentinel, San Diego Union-Tribune, 12 Aug. 2026

The other two albums are devoted to the legendary bebop pianist, composer and improvisation genius Thelonius Monk. — Christopher Arnott, Hartford Courant, 9 Aug. 2026

With its hairpin turns and madcap improvisations, the odyssey at the book’s center can seem, says our reviewer, like something sketched out by Jules Verne. — Danny Heitman, Christian Science Monitor, 7 Aug. 2026

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