When one wishes to understand the word retard, they must first separate it into 2 parts, those being re and tard. Re, is put at the beginning of a word to mean repeat. Such examples being rebuild, relocate and replace. Tard is a word used to call out someone who is being stupid but in an annoying way. So by figuring this out, we can safely conclude that calling someone a retard is telling someone that they’re being repeatedly stupid to an annoying degree. You now know what the word retard means and if you received this message, you are in fact a retard.