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 of improvise

• 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

Staff should be trained so schools are not improvising under pressure, and families should know that their children’s schools are places of learning and support. —Mercury News Editorial Board, Mercury News, 27 May 2026

At times, the piano players in his groups would simply back off during part of Rollins’ solos, loath to risk following the twisting pathways of his improvising. —Don Heckman, Los Angeles Times, 26 May 2026

The fact that a leading company is now consulting theologians is either a rare sign of humility or of an industry improvising its ethics in real time—possibly both. —Chris Stokel-Walker, Scientific American, 26 May 2026

Rivilis also coaxes confident, naturalistic performances from her non-professional cast, who largely improvised their dialogue, making this a good fit for festivals with young audiences. —Leslie Felperin, HollywoodReporter, 25 May 2026

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
• alibis
• alkalies
• alkalis
• amortize
• amplifies
• analyse
• analyze
• anywise
• authorize
• butterflies

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-