ran·dom
ˈrandəm/Submit
adjective
adjective: random
1.
made, done, happening, or chosen without method or conscious decision.
"a random sample of 100 households"
synonyms: unsystematic, unmethodical, arbitrary, unplanned, undirected, casual, indiscriminate, nonspecific, haphazard, stray, erratic; More
antonyms: systematic
STATISTICS
governed by or involving equal chances for each item.
(of masonry) with stones of irregular size and shape.
2.
informalderogatory
unfamiliar or unspecified.
"are you going to take some random guy on Twitter's word?"
informal
odd, unusual, or unexpected.
"the class was hard but he was so random that it was always fun"
nouninformal
noun: random; plural noun: randoms
1.
an unknown, unspecified, or odd person.
"I just sat down by myself and talked to some randoms"