1. 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.
"Shall we vary our device at will, Even as new occasion appears?" -- Spenser.
2. To change to something else; to transmute; to exchange; to alternate.
"Gods, that never change their state, Vary oft their love and hate." -- Waller.
"We are to vary the customs according to the time and country where the scene of action lies." -- Dryden.
3. To make of different kinds; to make different from one another; to diversity; to variegate.
"God hath varied their inclinations." -- Sir T. Browne.
"God hath here Varied his bounty so with new delights." -- Milton.
4. (Mus.) To embellish; to change fancifully; to present under new aspects, as of form, key, measure, etc. See Variation, 4.