Of, or relating to people or society at the local level, particularly in politics, social movements, etc.; of the grass roots.

Alternative form of grassroots

The political processes which are driven by groups of ordinary citizens, as opposed to larger organizations or wealthy individuals with concentrated vested interests in particular policies.

(Singapore) A government-appointed volunteer who serves in an organisation with the main purpose of bridging the gap between the Singapore Government and the people.

plural of grassroots leader