misconception
n.a wrong idea or belief about something. It happens when you do not understand a situation or a fact correctly.
n.a view or opinion that is incorrect because it is based on faulty thinking or understanding.
“It is a common misconception that all spiders are dangerous.”
“The documentary aims to correct the misconception that the desert is a lifeless and empty place.”
“Despite extensive public health campaigns, the misconception that antibiotics can treat viral infections remains a significant hurdle for medical professionals worldwide.”
Frequently paired with the adjectives 'common', 'popular', or 'widespread'.
When introducing a specific false belief, use a 'that' clause rather than a prepositional phrase.
“Tullett, whose book Sniff: A History of Smells is to be published on 8 September, said a common misconception was that the past was a smellier place.”
“Perhaps the biggest misconception is that it comes from not caring enough or from being lazy.”
From mis- + conception.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.