ran·dom 
/ˈrændəm/ adjective
/ˈrændəm/ adjective [more random; most random] : chosen, done, etc., without a particular plan or pattern
▪ a random sequence of letters ▪ A random sample/sampling/selection of doctors from around the country were selected for the study. ▪ We tasted the wines in random order and then rated each. ▪ a random collection of buttons ▪ random drug testing ▪ She collects random photographs that she finds in antique shops. ▪ Pick a random word on the page. ▪ The computer program generates a list of random numbers.
▪ a random sequence of letters ▪ A random sample/sampling/selection of doctors from around the country were selected for the study. ▪ We tasted the wines in random order and then rated each. ▪ a random collection of buttons ▪ random drug testing ▪ She collects random photographs that she finds in antique shops. ▪ Pick a random word on the page. ▪ The computer program generates a list of random numbers.
at random
: in a way that does not follow a particular plan or pattern
▪ Our names were chosen/selected/picked at random from the list. ▪ People drifted in and out of the gallery at random all evening.
▪ Our names were chosen/selected/picked at random from the list. ▪ People drifted in and out of the gallery at random all evening.
— ran·dom·ly adverb
▪ The ropes had been cut randomly to different lengths. ▪ We were each asked to randomly pick a word on the page.
▪ The ropes had been cut randomly to different lengths. ▪ We were each asked to randomly pick a word on the page.
— ran·dom·ness noun [noncount]
