done without preparation but not completely off the cuff

extemporaneous

adjective|/ɪkˌstem.pəˈreɪ.ni.əs/

Spoken or done without preparation; impromptu but structured

Examples

In a meeting

His extemporaneous remarks at the town hall were surprisingly well-organized.

Over coffee

She gave an extemporaneous toast that was both funny and heartfelt.

Why this word

spontaneous

extemporaneous means prepared but delivered without notes or text, while spontaneous means completely unplanned

impromptu

extemporaneous involves preparation with unrehearsed delivery, while impromptu means done with no preparation at all

improvised

extemporaneous suggests planned content delivered naturally, while improvised means making it up on the spot

Usage tip

Use to describe speaking that's unprepared but still coherent and thoughtful. Different from 'improvised' by suggesting more structure.

Etymology

Latin: ex tempore (out of time, on the spur of the moment)

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