1. To alter, or be altered, in any manner; to suffer a partial change; to become different; to be modified; as, colours vary in different lights. That each from other differs, first confess; next, that he varies from himself no less. (pope)
2. To differ, or be different; to be unlike or diverse; as, the laws of France vary from those of England.
3. To alter or change in succession; to alternate; as, one mathematical quantity varies inversely as another. While fear and anger, with alternate grace, pant in her breast, and vary in her face. (Addison)
4. To deviate; to depart; to swerve; followed by from; as, to vary from the law, or from reason.
5. To disagree; to be at variance or in dissension; as, men vary in opinion. The rich jewel which we vary for. (webster (1623))