improvise

verb

im·​pro·​vise ˈim-prə-ˌvīz 

 also  ˌim-prə-ˈvīz

improvised; improvising

transitive verb

1

: to compose, recite, play, or sing extemporaneously

2

: to make, invent, or arrange offhand

the quarterback improvised a play

3

: to make or fabricate out of what is conveniently on hand

improvise a meal

intransitive verb

: to improvise something

improviser noun

or improvisor

ˈim-prə-ˌvī-zər 

ˌim-prə-ˈvī-

Synonyms

• ad-lib
• clap (together or up)
• extemporize
• fake

Examples of improvise in a Sentence

If you forget any of your lines, try to improvise.

Good jazz musicians know how to improvise.

He had to improvise his opening speech when he forgot his notes.

The trumpet player performed an improvised solo.

I wasn't expecting guests, so I had to improvise a meal with what I had in my refrigerator.

Recent Examples on the Web

When plays broke down, and Allen needed to improvise, Shakir showed a terrific knack for finding open space and, even at times, getting behind the defense for a big play. —Joe Buscaglia, The Athletic, 25 Feb. 2025

On the modern battlefield, cheap drones and improvised explosive devices menace ground forces, uncrewed vessels and antiship missiles threaten surface ships, and sophisticated air defenses imperil aircraft. —Zack Cooper, Foreign Affairs, 21 Feb. 2025

For the grand finale, contestants would be paired with local musicians and given a few hours to plan—or plan to improvise—a brief performance for whatever audience existed in Atlanta for this sort of thing. —Matthew Sherrill, Harper's Magazine, 19 Feb. 2025

Health care settings require a musician to be able to improvise, take requests in a number of genres and stay attuned to the listener’s body language. —Corinna Da Fonseca-Wollheim, New York Times, 11 Feb. 2025

Word History

Etymology

French improviser, from Italian improvvisare, from improvviso sudden, from Latin improvisus, literally, unforeseen, from in- + provisus, past participle of providēre to see ahead — more at provide

First Known Use

1788, in the meaning defined at transitive sense 1

Rhymes for improvise

• advertise
• aggrandize
• agonize
• alibis
• alkalies
• alkalis
• amortize
• amplifies
• analyse
• analyze
• anywise
• authorize

Kids Definition

improvise

verb

im·​pro·​vise ˌim-prə-ˈvīz 

ˈim-prə-ˌvīz

improvised; improvising

1

: to compose, recite, play, or sing without preparation

2

: to make, invent, or arrange on the spur of the moment or without planning

the quarterback improvised a play

3

: to make out of what is conveniently on hand

improvise a bed from leaves and straw

improviser noun

or improvisor

-ˈvī-zər,

-ˌvī-