improvised

Definitions

Created, performed, or invented spontaneously without prior preparation.

Made or fashioned from whatever materials are conveniently available.

Examples

The jazz band improvised a soulful melody that captivated the entire audience.

Since we forgot the tent poles, we improvised a shelter using sturdy tree branches and a tarp.

Synonyms

extemporized unplanned spontaneous ad-lib impromptu offhand unprepared

Antonyms

planned rehearsed prepared scripted deliberate studied organized