extemporary
Made up instantly
Extemporary means done without preparation or planning—improvised on the spot.
The word is a rarer variant of extemporaneous, used in the same contexts: an extemporary speech, extemporary remarks.
Both suggest performing or speaking without notes or rehearsal.
Without advance preparation
- ad-libUnscripted speech or remark
- off-the-cuffUnplanned, unrehearsed
- freestyleWithout prescribed technique
- unscriptedNot pre-written
unrehearsed · spontaneous · improvisational · winging · spur-of-the-moment · offhand · improvise · unstudied
Occurring immediately where needed
- immediateHappening without delay
- instantaneousHappening without any delay
- snapSudden sharp sound
- quickMoving with speed
real-time · instant · spur-of-the-moment · quick-thinking · emergency · crisis · split-second · reactive
Not arranged beforehand
- suddenOccurring without prior notice
- unexpectedNot anticipated beforehand
- instinctiveArising without conscious thought
- intuitiveKnown without reasoning
natural · effortless · uncontrived · genuine · unaffected · organic · unforced · artless
Formal public speech
- rhetoricArt of persuasive language
- addressSpeak to formally
- lectureEducational spoken presentation
- presentationFormal display to viewers
declamation · discourse · monologue · sermon · homily · recitation · testimony · exposition
impromptu
Without advance preparation
- ad-libUnscripted speech or remark
- off-the-cuffUnplanned, unrehearsed
- freestyleWithout prescribed technique
unscripted · unrehearsed · spontaneous · improvisational · winging · spur-of-the-moment · offhand · improvise · unstudied · unprepared
on-the-spot
Occurring immediately where needed
- immediateHappening without delay
- instantaneousHappening without any delay
- snapSudden sharp sound
quick · real-time · instant · spur-of-the-moment · quick-thinking · emergency · crisis · split-second · reactive · pressing
unplanned
Not arranged beforehand
- suddenOccurring without prior notice
- unexpectedNot anticipated beforehand
- instinctiveArising without conscious thought
intuitive · natural · effortless · uncontrived · genuine · unaffected · organic · unforced · artless · guileless
oration
Formal public speech
presentation · declamation · discourse · monologue · sermon · homily · recitation · testimony · exposition · proclamation
extemporaryprepared
Made ready beforehand
rehearsed · scripted · prewritten · planned · memorized
extemporarypremeditated
Planned before acting
deliberate · calculated · considered · intentional · intended