randomness
n.the quality of being without any pattern or order. You use this to describe things that happen by chance rather than by a plan.
n.the quality of being without any pattern, plan, or predictability. Often used to describe the lack of correlation between events or the absence of a systematic cause.
“The lottery is based on pure randomness.”
“The scientist noticed that the data showed no randomness and suggested a hidden pattern might be at work.”
“In probability theory, the concept of randomness is essential for defining events that cannot be predicted with certainty, even if all initial conditions are known.”
“The design shown in this study preserves the advantages of these qubits while using levitation to remove the randomness of a bumpy surface.”
From random + -ness.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.