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extemporaneous

[ ik-stem-puh-rey-nee-uhs ]
/ ɪkˌstɛm pəˈreɪ ni əs /
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See synonyms for: extemporaneous / extemporaneously on Thesaurus.com

adjective
done, spoken, performed, etc., without special advance preparation; impromptu: an extemporaneous speech.
previously planned but delivered with the help of few or no notes: extemporaneous lectures.
speaking or performing with little or no advance preparation: extemporaneous actors.
made for the occasion, as a shelter.

OPPOSITES FOR extemporaneous

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Origin of extemporaneous

First recorded in 1650–60, from Late Latin extemporāneus “on the spur of the moment”; see extempore, -an, -eous

synonym study for extemporaneous

1, 2. Extemporaneous, extempore, impromptu, improvised are used of expression given without preparation or only partial preparation. Extemporaneous and impromptu may both refer to speeches given without any preparation: an extemporaneous (impromptu) speech. Extemporaneous may also refer to a speech given from notes or an outline: extemporaneous lectures. Although extempore is an adjective with the very same meaning as extemporaneous, this word is most often used in its adverbial senses: She spoke extempore, and had the audience's rapt attention. Impromptu also refers to poems, songs, etc., delivered without preparation and at a moment's notice. Improvised is applied to something composed (recited, sung, acted), at least in part, as one goes along: an improvised piano accompaniment.

OTHER WORDS FROM extemporaneous

ex·tem·po·ra·ne·ous·ly, adverbex·tem·po·ra·ne·ous·ness, ex·tem·po·ra·ne·i·ty [ik-stem-puh-ruh-nee-i-tee], /ɪkˌstɛm pə rəˈni ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use extemporaneous in a sentence

British Dictionary definitions for extemporaneous

extemporaneous

extemporary (ɪkˈstɛmpərərɪ, -prərɪ)

/ (ɪkˌstɛmpəˈreɪnɪəs) /

adjective
spoken, performed, etc, without planning or preparation; impromptu; extempore
done in a temporary manner; improvised

Derived forms of extemporaneous

extemporaneously or extemporarily, adverbextemporaneousness or extemporariness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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