›something that might possibly happen in the future, usually causing problems or making further arrangements necessary: "While it is impossible to account for every contingency, the industry historically has met demand and fully expects to do so this winter," said the American Petroleum Institute.
New words are entering the language all the time. A few of these are completely new and original coinages, but the vast majority are based on the existing stock of words in some way, for example by using affixes (prefixes and suffixes). These can have the effect of changing the meaning of the
predicting the optimum date to buy a plane ticket, especially on a website or using an app A handful of new and updated websites and apps are trying to perfect the art of what’s known as farecasting – predicting the best date to buy a ticket.