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English definition of “random”

random

adjective  /ˈræn·dəm/ us  
happening, done, or chosen by chance rather than according to a plan or pattern: a random sample He was stopped at the border in a random check. at random At random means by chance, or without any organization or plan: Dylan picked several books at random.
randomly
adverb  /ˈræn·dəm·li/ us  
The people I interviewed were chosen randomly.
randomness
noun [U]  /ˈræn·dəm·nəs/ us  
(Definition of random from the Cambridge Academic Content Dictionary © Cambridge University Press)
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