to change the aspect of; to alter in form, appearance, substance, position, or the like; to make different by a partial change; to modify; as, to vary the properties, proportions, or nature of a thing; to vary a posture or an attitude; to vary one's dress or opinions.-to change to something else; to transmute; to exchange; to alternate.-to make of different kinds; to make different from one another; to diversity; to variegate.-to embellish; to change fancifully; to present under new aspects, as of form, key, measure, etc. see variation, 4.-to alter, or be altered, in any manner; to suffer a partial change; to become different; to be modified; as, colors vary in different lights.-to differ, or be different; to be unlike or diverse; as, the laws of france vary from those of england.-to alter or change in succession; to alternate; as, one mathematical quantity varies inversely as another.-to deviate; to depart; to swerve; -- followed by from; as, to vary from the law, or from reason.-to disagree; to be at variance or in dissension; as, men vary in opinion.-alteration; change.