Noun
non-governmental organization (plural non-governmental organizations) (abbreviated NGO)
A legally constituted non-commercial organization created by natural or legal persons with no participation or representation of any government.
Antonym: governmental organization
A total of 564 photos were collected and a sizable donation was made to Japan Platform, a Non-Governmental Organization (NGO) that works with local NGOs to distribute emergency humanitarian assistance under their immediate action disaster plans. Source: Internet