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impulse purchase
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improvise
im·pro·vise [ ímprə vz ] (past and past participle im·pro·vised, present participle im·pro·vis·ing, 3rd person present singular im·pro·vis·es)


transitive and intransitive verb 
Definition:
 
1. make something up on spot: to perform or compose something, especially a sketch, play, song, or piece of music, without any preparation or set text to follow
2. substitute: to make a substitute for something out of the materials that happen to be available at the time
If you don't have a hammer, we'll have to improvise.
[Early 19th century. Directly or via French< Italian improvvisare< Latin improvisus "unforeseen" < providere (see provide)]

im·prov·i·sa·tion [ im pròvvi záysh'n, ìmprəvi záysh'n ] noun
im·prov·i·sa·tion·al adjective
im·prov·i·sa·tion·al·ly adverb
im·prov·i·sa·to·ri·al [ im pròvvizə táwree əl ] adjective
im·prov·i·sa·to·ry [ im próvvizə tàwree, ìmprə vzə tàwree ] adjective
im·pro·vis·er [ ímprə vzər ] noun
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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