obstructionist Synonyms

obstructor thwarter obstructer resister bitter-ender traditionalist staller refuter reactionary oppositionist opposer obstructive wrecker detractor impedimenta timewaster stonewalling moderatist diehard contrarian naysayer filibusterer faultfinder right-winger hard hat obstruction heretic objector conventionalist controverter conserver conservative clogging classicist brawler brangler blockage blocking critic delayer denier moderate litigant intransigent impediment gainsayer filibuster doubter dissident dissenter