ˈkrejələs adjective
Etymology: Latin credulus, from credere
1. : ready or inclined to believe especially on slight or uncertain evidence; easily imposed upon
a boy very credulous of life — Sinclair Lewis
2. : based upon or proceeding from credulity
credulous superstition
• cred·u·lous·ly adverb
• cred·u·lous·ness noun -es