(originally US politics, now social media, marketing) The disguising of an orchestrated campaign as a "grass-roots" event – i.e., a spontaneous upwelling of public opinion.

present participle of Astroturf

A synthetic material used in sports grounds as a durable substitute for natural grass.

Alternative spelling of Astroturf

Alternative spelling of AstroTurf

To cover with an artificial grass-like material. / (politics, usually lowercase) To fabricate an impression of political support for an agenda.

Of a group created by a larger organisation (especially a corporation or political party), but presenting itself as a grassroots organisation.

Alternative spelling of AstroTurf

Third-person singular simple present indicative form of Astroturf

simple past tense and past participle of Astroturf