Synonyms of extemporaneous

extemporaneous

adjective

(ˌ)ek-ˌstem-pə-ˈrā-nē-əs 

as in impromptu

made or done without previous thought or preparation

caught by surprise, I had to make an extemporaneous speech at the awards banquet

Synonyms & Similar Words

• impromptu
• improvisational
• improvised
• extempore
• extemporary
• unrehearsed
• spur-of-the-moment
• unprepared
• off-the-cuff
• unstudied
• unpremeditated
• offhand
• unplanned
• spontaneous
• unconsidered
• informal
• ad hoc
• unauthorized
• ad-lib
• offhanded
• automatic
• unscripted
• snap
• down and dirty
• impulsive
• instinctive
• cursive
• involuntary
• casual
• ill-advised
• half-baked
• half-cocked

Antonyms & Near Antonyms

• prepared
• rehearsed
• premeditated
• planned
• intentional
• deliberate
• considered
• intended
• premeditative

Example Sentences

Recent Examples of extemporaneous

And Jonathan said, as [he’s being choked], was this extemporaneous? —Mike Fleming Jr, Deadline, 5 Dec. 2024

That might explain why the Portland-via-Fort Lauderdale post-hardcore band performs with such extemporaneous vigor on Deep Sage, thrashing and flailing in a release of anger that trades blind rage for determined revenge. —Madison Bloom, Pitchfork, 4 Dec. 2024

If extemporaneous speaking is challenging, consider an improv class. —Expert Panel®, Forbes, 4 Sep. 2024

Trump spoke for 1 hour and 32 minutes, the longest acceptance speech in modern American history, reportedly about half of it extemporaneous. —Bill Goodykoontz, The Arizona Republic, 18 July 2024

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