Random. From the latin aleatorius, a, um ("dice game, game of chance").
It means that it is not continuous, nor permanent. It is synonymous with random, fortuitous, eventually, insecure, circumstantial, casual, incidental, unexpected, risky. occasional, inadvertent, accidental.
RANDOM: Belonging or pertaining to gambling.
RANDOM: RANDOM.EVENTUALLY, INCIDENTALLY, CASUAL FACT-DEPENDENT.CIRCUMSTANCES, UNFORESEEN.