ultragreen

Adjective

ultragreen (comparative more ultragreen, superlative most ultragreen)

1. (informal) Of a very vivid green colour.
   • In the front yard of her illustrated home are an ultragreen lawn and a garden filled with sunflowers almost as tall as the house.2003, Gene Del Vecchio, The blockbuster toy!: how to invent the next big thing, page 60
2. (informal) Taking a great deal of responsibility for the natural environment.
   • He says the resurgence of nuclear energy around the world — even in ultragreen countries like Finland — reflects the simple fact that nuclear power has more potential to replace and reduce carbon emissions than anything else, and that, leaving out the Model T technology of Chernobyl, its worldwide...2007 December 9, Peter Applebome, “The Power Grid Game: Choose a Catastrophe”, in New York Times