Unlucky people are often referred to as "unfortunate" or "jinxed." In colloquial terms, they might be called "down on their luck" or "cursed." Superstitions may also label them as "bad luck" individuals. However, there's no specific term that universally defines unlucky people.
unlucky
Friday is not considered an unlucky day by people in Christian countries. Some superstitious people consider Friday the 13th an unlucky day.
The Chinese believe that white is unlucky because it is the color of death.
There is no such thing as a lucky or unlucky number. It is simply a belief that some people have.
schlemiel
No, however something like a cat who happens to be black IS considered unlucky by some people.
No, there is no such thing as a lucky or unlucky number: there is only superstition.
Unlucky
Some superstitious people believe that 13, the 6th prime number, is unlucky.
I don't believe that there is any way to finding your 'unlucky' number, although some superstitious people might tell you certain signs of how to figure out your unlucky number.
unlucky
I would not say that the number 666 is unlucky, but many people shun that number as it is the number of the Antichrist (Revelation 13:11-18.)