Meaning of the word grassroots in English

What does grassroots mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

grassroots

US /ˈɡræs.ruːts/
UK /ˈɡræs.ruːts/

Noun

1.

the most basic level of an activity or organization.

Example:
the whole campaign would be conducted at the grassroots
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