Synonyms of improvise

improvise

verb

ˈim-prə-ˌvīz 

as in to devise

to perform, make, or do without preparation

since the award was a complete surprise, I improvised an acceptance speech

Synonyms & Similar Words

• devise
• concoct
• extemporize
• fake
• ad-lib
• manufacture
• clap (together or up)
• invent
• hatch
• contrive
• think (up)
• cook (up)
• fabricate
• make up
• dash (off)
• cobble (together or up)

Antonyms & Near Antonyms

• prepare
• ready
• arrange
• lay
• consider
• study
• practice
• exercise
• contemplate
• ponder
• rehearse

Example Sentences

Recent Examples of improvise

Long before acting became his profession, Hopkins was studying piano as a child in Port Talbot, Wales, performing Beethoven and Chopin by elementary school and improvising original music by age six. — Jonathan Cohen, SPIN, 10 July 2026

Eugene Levy‘s fumbling birds and the bees talks comprise some of the funniest moments of American Pie — and most of them were improvised. — Gwen Ihnat, Entertainment Weekly, 9 July 2026

Documentation is minimal, and architecture is often improvised. — Oleg Lola, Forbes.com, 8 July 2026

By the time play began on July 13, the inaugural World Cup featured an awkward—but not unlucky—13 teams, forcing organizers to improvise the tournament format. — Encyclopedia Britannica, 6 July 2026