The term 'in all likelihood' is an expression used to indicate that something is likely to happen or be true. It can be broken down into two crossword solutions: 'PROBABLY' (8 letters) and 'oddsare' (7 letters). 'PROBABLY' is an adverb used to express a high degree of probability, while 'oddsare' is an informal way of saying that the chances of something happening are good. Together, these two words form the phrase 'in all likelihood', which is used to express a high degree of certainty.