adj. Of, or relating to people or society at the local level; of the grass roots
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or involving the common people as constituting a fundamental political and economic group
adj. fundamental
Word Usage
"After the state GOP, it did admit to having a camera in the crowd thanks to an anonymous tip, but denied organizing what it called a grassroots event, also telling me, "Doggett owes us and them an apology for calling the crowd a mob.""