A superstitious person is someone who believes in magical or supernatural ideas that are not based on reason or evidence. They might think certain actions or objects have special power or influence on their lives. Full definition
Footballer's are very superstitious people so another defeat would have been a total mind fuk. (justarsenal.com)
«It's been around long enough that it established itself among superstitious people with no real scientific knowledge,» = > Ok, now you are way off base. (religion.blogs.cnn.com)
It's been around long enough that it established itself among superstitious people with no real scientific knowledge, becoming so widely accepted by the time real science began to come into existence that cultural inertia can keep it alive. (religion.blogs.cnn.com)