grassroots - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

• grass-roots, grassroot

From grass +‎ roots.

grassroots (comparative more grassroots, superlative most grassroots)

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

   Antonyms: grass tops, Astroturf

• grass roots