A person who is felt to be deficient in judgment, good sense, or intelligence; a fool.(noun)
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 "simpleton" in a sentence
"And it means you engage in simpleton, “just world” thinking."
"But now when an Egyptian simpleton is tortured by the hands of a Libyan officer - a government representative - in an official police station for a prolonged period of time with the intention of torture and homicide, and when the guy is shipped back in a pile to spend the rest of his life incapacitated - when all of that happens, will we see thousands of Islamists demonstrating in his defense?"
"A certain simpleton was once walking along, haling his ass after him by the halter, when a pair of sharpers saw him and one said to his fellow, “I will take that ass from yonder wight.”"