Top definition
An adjective illustrating someone or something that is environmentally conscious, cares about the world around them and actively searches out new ways to preserve the planet.

pl. groonles.

This new class I'm taking is so groonle.

My next door neighbour is such a groonle - the composting is attracting the animals.

Hey Steve, how do I set up this compost thing?
I dunno, go groonle it.
by toelicker2 April 20, 2009
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