English edit

Etymology edit

over- +‎ vigorous

Adjective edit

overvigorous (comparative more overvigorous, superlative most overvigorous)

  1. Excessively vigorous.
    • 2016 July 4, C. Claiborne Ray, “What Poison Ivy Has Against Us”, in New York Times[1]:
      Exposure to this allergen brings white blood cells to the site, and their overvigorous response to the foreign substance leads to an attack on skin cells as well, producing a rash, with blisters where the concentration is highest.