improvised

Verb

• (v.) improvise, improvize, ad-lib, extemporize, extemporise (perform without preparation) "he extemporized a speech at the wedding"
• (v.) improvise, extemporize (manage in a makeshift way; do with whatever is at hand) "after the hurricane destroyed our house, we had to improvise for weeks"

Adjective

• (adj.) improvised, jury-rigged, makeshift (done or made using whatever is available) "crossed the river on improvised bridges"; "the survivors used jury-rigged fishing gear"; "the rock served as a makeshift hammer"