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 the president’s capacity to lead the executive branch is, by most accounts, far greater than his capacity to speak in coherent, extemporaneous sentences on CNN. —Vox Staff, Vox, 28 June 2024

The show lovingly conveys all the details of court society: the Noh performance by torchlight, the extemporaneous verse, the calligraphic stroke falling on a blank sheet of paper. —Ryu Spaeth, Vulture, 23 Apr. 2024

His extemporaneous comments in the wake of the verdict in the George Zimmerman trial are another example. —Jonathan Holloway, Foreign Affairs, 26 Jan. 2014

Hochul, a Democrat, made the extemporaneous comment Monday while being interviewed at a large business conference in California to discuss expanding economic opportunities in artificial intelligence for low-income communities. —Anthony Izaguirre, Fortune, 7 May 2024

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