† previˈvationObs.rare—1. [irreg.f. pre- A. I. + L. vīv-ĕre to live + -ation.] The fact of living before another; seniority. a1650May Satir. Puppy (1657) 60 The first (who claims precedencie by previvation) strove to excuse his absurd writing by publishing a worse fault.