An improvement (or an intended improvement) in the existing form or condition of institutions or practices, etc.; intended to make a striking change for the better in social, political or religious affairs or in the conduct of persons or operation of organizations.

plural of reform

Third-person singular simple present indicative form of reform

simple past tense and past participle of reform

Corrected; amended; restored to purity or excellence; said, specifically, of the whole body of Protestant churches originating in the Reformation, or, in a more restricted sense, of those who separated from Martin Luther on the doctrine of consubstantiation, etc., and carried the Reformation, as they claimed, to a higher point.

plural of reformer

plural of reformation

(historical) The religious movement initiated in the 16th century against the Roman Catholic Church.

plural of reformism

(petrochemistry) The product of a hydrocarbon reforming process; an intermediate in the production of fuels such as gasoline.