revaccinatePronunciation: /riːˈvaksɪneɪt/Definition of revaccinate verb [with object] vaccinate again for the same disease: high-risk individuals should be revaccinated every three to five yearsDerivatives revaccinationPronunciation: /-ˈneɪʃ(ə)n/ noun revaccinate in other Oxford dictionaries Definition of revaccinate in the US English dictionary