[adjective] - happening, done, or chosen by chance rather than according to a planWe asked a random sample/selection of people what they thought.This is the latest in a sequence of seemingly random crimes/attacks/killings.The choice of poems included in the collection seems somewhat random.(ANZ) A random breath test ( RBT) is a test given by the police to drivers chosen by chance, to measure the amount of alcohol the drivers have in their blood.
Meaning of RANDOM in English
Cambridge English vocab. Кембриджский английский словарь. 2012