antigreen adjective 2noun 1forms 1 adjective2 •Opposed to environmentally-based politics.Hay's main concern, in the light of an antigreen backlash, is that homocentric democracy is insufficient for the achievement of the ecocentric goals […] — 1999 •One of the three possible colours of an antiquark, corresponding to green in a quark. noun1 •One who opposes environmentally-based politics. formsantigreens