WordWeb Online

1. Manage in a makeshift way; do with whatever is at hand
   "after the hurricane destroyed our house, we had to extemporize for weeks";
   - improvise, extemporise [Brit]
    
2. Perform without preparation
   "he extemporized a speech at the wedding";
   - improvise, improvize [non-standard], ad-lib, extemporise [Brit], wing it [informal], wing [informal]

Derived forms: extemporized, extemporizes, extemporizing

Type of: contend, cope, deal, do, execute, get by, grapple, make do, manage, perform

Encyclopedia: Extemporize