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English definition of “random”

random

adjective uk   /ˈræn.dəm/ us  
C1 happening, done, or chosen by chance rather than according to a plan: random checks/tests/attacks We asked a random sample/selection of people what they thought. informal strange or unusual: I just saw Billy wearing a top hat - he's so random! at random C1 by chance, or without being chosen intentionally: The winning entry will be the first correct answer drawn at random.
randomly
adverb uk   /-li/ us  
C1 The books were randomly arranged on the shelves.
(Definition of random from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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