Ultragreen

adj, slang

adj, slang ·Uncommon ·College level

Definitions

Adjective
  1. 1
    Of a very vivid green colour. informal

    "In the front yard of her illustrated home are an ultragreen lawn and a garden filled with sunflowers almost as tall as the house."

  2. 2
    Taking a great deal of responsibility for the natural environment. informal

    "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 safety record remains almost impeccable."

Example

More examples

"In the front yard of her illustrated home are an ultragreen lawn and a garden filled with sunflowers almost as tall as the house."

Etymology

From ultra- + green.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.