[{"Bold_text": "noun", "List Items": ["a deceptive, misleading, or false notion, belief, etc.:That the world is flat was at one time a popular fallacy.Synonyms: misapprehension , delusion , misconception", "a misleading or unsound argument.", "deceptive, misleading, or false nature; erroneousness.", "Logic.any of various types of erroneous reasoning that render arguments logically unsound.", "Obsolete. deception ."]}]