- (acronym) . (chiefly, US) (alternative spelling of, nimby) Not In My BackYard – opposition to building, or people opposed to building.
- (acronym) . (chiefly, US) Not In My BackYard.
- Noun. (context, usually) Someone who objects to the building of an undesirable structure in their neighborhood, especially in public policy debate.
- Adjective. Not wanting to have to deal with unpleasant or distasteful things near them.