improvise
verb
1 improvise
Perform without preparation.
synonyms: ad-lib, extemporise, extemporize, improvize.
Roget 515: imagine, fancy, conceive; idealize, realize; dream, dream of, dream up; give to airy nothing a local habitation and a give to airy nothing a local habitation and a name" [Midsummer Night's Dream]. create, originate, devise, invent, ... show more
Roget 674: be unprepared etc. adj.; want preparation, lack preparation; lie fallow; s'embarquer sans biscuits [Fr.]; live from hand to mouth. [Render unprepared] dismantle etc. (render useless) 645; undress ... show more
Roget 612: flash on the mind. say what comes uppermost; improvise, extemporize.
Dutch: improviseren
2 improvise
Manage in a makeshift way; do with whatever is at hand:
— After the hurricane destroyed our house, we had to improvise for weeks.
synonym: extemporize.
adjective
Roget 612: extemporaneous, impulsive, indeliberate†; snap; improvised, improvisate†, improvisatory†; unpremeditated, unmeditated; improvise; unprompted, unguided; natural, unguarded; ... show more
Moby thesaurus: ad lib, ad-lib, be caught napping, be surprised, be taken unawares, be unprepared, beget, breed, bring forth, bring into being, call into being, coin, conceive, concoct, contrive, cook up, dash off, design, develop, devise ... show more.
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