Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “improvise”

See all translations

improvise

verb [I or T] uk   /ˈɪm.prə.vaɪz/ us  
to invent or make something, such as a speech or a device, at the time when it is needed without already having planned it: I hadn't prepared a speech so I suddenly had to improvise. We improvised a mattress from a pile of blankets. When actors or musicians improvise, they perform without prepared speech or music, making up the play, music, etc. as they perform it: During certain scenes of the play there isn't any script and the actors just improvise (the dialogue).
(Definition of improvise from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of improvise?
Add Cambridge dictionaries to your browser to your website

Definitions of “improvise” in other dictionaries

Word of the Day

comma

the symbol , used in writing to separate parts of a sentence showing a slight pause, or to separate the single things in a list

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More