Definition of overcredulity in English:
overcredulity
noun ˌəʊvəkrɪˈdʒuːlɪtiˌəʊvəkrɪˈdjuːlɪti
Excessive credulity or gullibility; the quality of being over-credulous.
Origin
Early 17th century; earliest use found in John Smith. From over- + credulity, after over-credulous.