Off-chances refers to unlikely and unexpected possibilities. When using this term, one can also consider using the following synonyms: long shots, outside chances, slim possibilities, wildcards, shots in the dark, remote chances, uncertain probabilities, and flukes. All these synonyms imply that something has a low probability of happening, but cannot be completely ruled out. The use of these synonyms can help to convey a sense of uncertainty and unpredictability. Using these synonyms in writing or conversation can help to add descriptive emphasis and articulate the sense of chance or possibility being discussed.