grassroot

/ˈɡræsrut/
adjective
  1. Relating to the most basic or fundamental level of an organization or society, especially involving ordinary people rather than leaders.
    • The campaign started as a grassroot movement in small towns.
    • The organization focuses on grassroot efforts to improve education.
    • They rely on grassroot support from local volunteers.
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What does "grassroot" mean? | whatsthatwordmean | whatsthatwordmean