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

• devise
• concoct
• extemporize

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

Will downtown buildings in L.A. illuminate improvised lightning bolts, as happened in downtown San Diego? —Tom Krasovic, San Diego Union-Tribune, 19 July 2025

Frontman Martin then improvises a brief song after they are captured on the big screen. —EW.com, 19 July 2025

Little gestures and improvised moments like this one made for some very precious memories during this road trip. —Maelle Beauget-Uhl, Forbes.com, 6 July 2025

Best in Show is just one of a series of films that Guest has made that are largely improvised, with an outline and the backstory of the characters written out and scenes broken down but no dialogue written. —Hilary Lewis, HollywoodReporter, 5 July 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-