The term 50-50 chance is used to describe a situation in which there are two possible outcomes, each with an equal probability of occurring. The crossword solutions for this term are 'TOSSUP' (6 letters) and 'EVENODDS' (8 letters). Tossup is a term that is used to describe a situation in which the outcome is uncertain and could go either way. Evenodds is another term that is used to describe a situation in which the chances of success or failure are equal.