Wrong Idea is a term used to describe an incorrect or misguided thought, opinion, or belief. The crossword solutions for this term are ERROR (5 letters), MISCONCEPTION (13 letters), and Falseimpression (15 letters). ERROR is a mistake or inaccuracy in action, calculation, opinion, or judgment caused by poor reasoning, carelessness, insufficient knowledge, etc. MISCONCEPTION is an incorrect or mistaken idea or belief. Falseimpression is an incorrect or misleading impression or idea.