grassroots

American  

[gras-roots, -roots, grahs-] / ˈgræsˌruts, -ˌrʊts, ˈgrɑs- /

noun

(used with a singular or plural verb)

1. the common or ordinary people, especially as contrasted with the leadership or elite of a political party, social organization, etc.; the rank and file.

2. the agricultural and rural areas of a country.

3. the people inhabiting these areas, especially as a political, social, or economic group.

4. the origin or basis of something; the basic or primary concept, rule, part, or the like.

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adjective

1. of, relating to, or involving the common people, especially as contrasted with or separable from an elite.

   a grassroots movement for nuclear disarmament.

Etymology

Origin of grassroots

1910–15 grassroots for def. 1