pl. convulsionaries (-riz). One who is subject to convulsions; specifically [capitalized], one of a class of Jansenists in France who gained notoriety by falling into convulsive spasms and by other extravagant actions, supposed to be accompanied by miraculous cures, in response to a supposed miraculous influence emanating from the tomb of a pious Jansenist, François de Pâris, in the cemetery of St. Médard near Paris, who died in 1727. They continued to exist for more than fifty years.
related to convulsion; convulsive.
with respect to convulsion; of the nature of muscular convulsions: since, convulsionary battles.
Causing or resulting from violent disturbance or agitation.