Definition of improviso:
		
              °To make something up or 
invent it as one goes on; to proceed by guess rather than by a careful plan. To invent or create something quickly or without a plan; to 
wing it.
            
 
            
            
              
                "He had no speech prepared, so he improvised."
              
	 
 
		
		
		Definition of improviso:
		
              °To make something up or 
invent it as one goes on; to proceed by guess rather than by a careful plan. To invent or create something quickly or without a plan; to 
wing it.
            
 
            
            
              
                "He had no speech prepared, so he improvised."