improvise
— Verb
– English
～ manage in a makeshift way; do with whatever is at hand; "after the hurricane destroyed our house, we had to improvise for weeks"
improvise
— Verb
– English
～ perform without preparation; "he extemporized a speech at the wedding"
improvised
— Adjective
– English
～ 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"