- the improvement or amendment of what is wrong, corrupt, unsatisfactory, etc.: social reform; spelling reform.
- an instance of this.
- the amendment of conduct, belief, etc.
—verb (used with object)
- to change to a better state, form, etc.; improve by alteration, substitution, abolition, etc.
- to cause (a person) to abandon wrong or evil ways of life or conduct.
- to put an end to (abuses, disorders, etc.).
- Chemistry. to subject to the process of reforming, as in refining petroleum.