Words change their meaning - How ...

DelhiWords that the world is wonderful world. Over time my form words, form and meaning change.Today we have come up with some words that you will be familiar Hlliaanti but if you pick the terms of history will know how to see if the meaning is sin.Nice to know before you mean in English means good was mindless and silly.But you know that we have today the silly (silly) are familiar with the term