List of retardant synonyms and retardant related words.
complaining, disputatious, disputing, dissentient, dissenting, fractious, noncooperative, objecting, obstructive, on the barricades, proof against, protesting, rebellious, recalcitrant, refractory, reluctant, renitent, repellent, resistant, resisting, resistive, retardative, uncooperative, unsubmissive, unyielding, up in arms, withstanding