overchance means occurring more than expected by mere chance or probability. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From over- + chance.
adj
- Occurring more than expected by mere chance or probability.“It was claimed that an overchance number of correct answers was scored.”
noun
- A likelihood that is greater than when all options are equally probable.“At the second birth there is still an overchance in favor of a boy.”