Disposed to believe too readily; gullible.(adjective)
Arising from or characterized by credulity. See Usage Note at credible.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "credulous" in a sentence
"He came down firmly against discrimination, attacking the notion of credulous sellers and conniving buyers."
"Not being what is called a credulous person, Mademoiselle Marguerite was unable to believe it."
"It is, in other words, a credulous hodge-podge of all the older witch and devil tales that could be packed into its duodecimo pages; tales made vivid by its startling frontispiece and the crude but awful woodcuts that adorn its text."