(New American Roget's College Thesaurus)
adj. unpremeditated, spontaneous, extempore, improvised, impromptu, offhand, unprepared. See impulse, unpreparedness. Ant., planned, rehearsed.
(Roget's IV) modif.
Syn. spontaneous, unpremeditated, improvised, extempore, extemporary, impromptu, unprepared, ad-lib*, ad-libbed*, offhand, unstudied, informal, unrehearsed, ad hoc, by ear, on impulse, on the spot, without preparation, off the cuff*, spur-of-the-moment*.
Ant. prepared*, studied, premeditated.
See Synonym Study at impromptu .
(Roget's 3 Superthesaurus) a.
unrehearsed, offhand, unprepared, unpremeditated, impromptu, spontaneous, ad lib, *off the cuff, *spur of the moment, *on the spot.
ANT.: rehearsed, prepared, premeditated
(Roget's Thesaurus II) adjective Spoken, performed, or composed with little or no preparation or forethought: ad-lib, extemporary, extempore, impromptu, improvised, offhand, snap, spur-of-the-moment, unrehearsed. Informal: off-the-cuff. See PREPARED.

English dictionary for students. 2013.


Look at other dictionaries:

  • extemporaneous — extemporaneous, extempore, extemporary, improvised, impromptu, offhand, unpremeditated mean composed, concocted, devised, or done at the moment rather than beforehand. Extemporaneous, extempore, and extemporary in their more general applications… …   New Dictionary of Synonyms

  • Extemporaneous — Ex*tem po*ra ne*ous, a. [See {Extempore}.] Composed, performed, or uttered on the spur of the moment, or without previous study; unpremeditated; off hand; ad lib; extempore; extemporary; as, an extemporaneous address or production. {Ex*tem po*ra… …   The Collaborative International Dictionary of English

  • extemporaneous — [eks΄tem΄ pə rā′nē əs, ik stem΄pə rā′nē əs] adj. [LL extemporaneus: see EXTEMPORE] 1. made, done, or spoken without any preparation; unpremeditated; offhand [an extemporaneous speech] 2. spoken with some preparation but not written out or… …   English World dictionary

  • extemporaneous — index ad hoc, impulsive (rash), informal, spontaneous, unpremeditated Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • extemporaneous — (adj.) 1650s (earlier extemporal, 1560s), from M.L. extemporaneus, from L. ex tempore (see EXTEMPORE (Cf. extempore)). Related: Extemporaneously …   Etymology dictionary

  • extemporaneous — / extemporary [adj] unrehearsed, improvised ad hoc, ad lib, at first glance, automatic, by ear*, casual, expedient, extempore, free, immediate, impromptu, improv*, improvisatory, improviso, informal, jamming*, made up, makeshift, offhand, off the …   New thesaurus

  • extemporaneous — extemporaneously, adv. extemporaneousness, extemporaneity /ik stem peuh reuh nee i tee/, n. /ik stem peuh ray nee euhs/, adj. 1. done, spoken, performed, etc., without special advance preparation; impromptu: an extemporaneous speech. 2.… …   Universalium

  • extemporaneous — ex•tem•po•ra•ne•ous [[t]ɪkˌstɛm pəˈreɪ ni əs[/t]] adj. 1) done, spoken, or performed without preparation; impromptu: an extemporaneous speech[/ex] 2) prepared in advance but delivered using few or no notes: extemporaneous lectures[/ex] 3)… …   From formal English to slang

  • extemporaneous — adjective Etymology: Late Latin extemporaneus, from Latin ex tempore Date: 1673 1. a. (1) composed, performed, or uttered on the spur of the moment ; impromptu < an extemporaneous comment > (2) carefully prepared but delivered without notes or… …   New Collegiate Dictionary

  • extemporaneous — /əkstɛmpəˈreɪniəs/ (say uhkstempuh rayneeuhs), /ɛk / (say ek ) adjective 1. done or spoken extempore; impromptu: an extemporaneous speech. 2. speaking or performing extempore. 3. made for the occasion, as a shelter. 4. Pharmacy of or relating to… …   Australian English dictionary

  • extemporaneous — See extemporaneous, impromptu …   Dictionary of problem words and expressions

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