Synonyms of random in English:

random


See definition of random

adjective

1‘random spot checks’

SYNONYMS
unsystematic, arbitrary, unmethodical, haphazard, unarranged, unplanned, undirected, casual, indiscriminate, non-specific, stray, erratic
chance, accidental, hit-and-miss
serendipitous, fortuitous, contingent, adventitious
non-linear, entropic, fractal
rare aleatory, stochastic
ANTONYMS

systematic, planned


Phrases

    at random

    ‘five schools were chosen at random’


    SYNONYMS

    unsystematically, arbitrarily, randomly, without prearrangement, without method, unmethodically, haphazardly, without conscious choice, leaving things to chance

    out of a hat, by lot

    ANTONYMS

    systematically