Definitions

1. noun

An international environmental organization that uses non-violent direct action to promote environmentalism.

“Greenpeace is a well-known organization for protecting endangered species.”

2. proper noun

The name of an international environmental organization.

“Greenpeace activists are protesting the construction of a new coal plant.”

3. noun

The ideology or philosophy of environmentalism, especially as advocated by Greenpeace.

“Greenpeace is a strong advocate for eco-friendly policies.”