1) Casualism 2) Cellular noise 3) Chance 4) Determinism 5) Deterministic noise 6) Ergodicity 7) Haphazardness 8) Odds 9) Random stimulus 10) Stochasticity 1) Entropy 2) Physical property 
Randomness means lack of pattern or predictability in events. Randomness suggests a non-order or non-coherence in a sequence of symbols or steps, such that there is no intelligible pattern or combination. Applied usage in science, mathematics and statistics recognizes a lack of predictability when referring to randomness, but admits regularities i...
(from the article `chaos theory`) ...laws. A more accurate term, `deterministic chaos,` suggests a paradox because it connects two notions that are familiar and commonly regarded as ... A fundamental concept in quantum mechanics is that of randomness, or indeterminacy. In general, the theory predicts only the probability of a ...
lack of pattern or predictability in a game or game element.
[n] - the quality of lacking any predictable order or plan
not in an organized way
S noun (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work; `entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity`haphazardness noun the quality of lacking any predictable order or plan