"In likelihood" is a phrase that means probability or possibility. Some antonyms (opposite words) include "improbability," "uncertainty," "doubt," "impossibility," and "unlikely." When someone says that something is "in likelihood," they are expressing a level of confidence that something will happen. Antonyms of this phrase indicate a degree of skepticism or disbelief. For example, if someone says, "It is unlikely that we will get our bonus this year," they are expressing doubt about the chances of receiving a bonus. Conversely, if someone says, "In likelihood, we will achieve our sales targets this quarter," they are expressing a higher level of confidence about the outcome.