overexpand

over- +‎ expand

overexpand (third-person singular simple present overexpands, present participle overexpanding, simple past and past participle overexpanded)

1. To expand to an excessive or unwise degree
   • 2007 October 10, David M. Herszenhorn, “Capitol Feud: A 12-Year-Old Is the Fodder”, in New York Times‎:

     Republicans on Capitol Hill, who were gearing up to use Graeme as evidence that Democrats have overexpanded the health program to include families wealthy enough to afford private insurance, have backed off.